diff --git a/docs/API_v3.md b/docs/API_v3.md
index 9ce0f136a..511a6a30f 100644
--- a/docs/API_v3.md
+++ b/docs/API_v3.md
@@ -88,6 +88,7 @@ Returns condensed objects of all Forms beeing owned by the authenticated user.
     "hash": "yWeMwcwCwoqRs8T2",
     "title": "Form 2",
     "expires": 0,
+    "opens": 0,
     "permissions": [
       "edit",
       "results",
@@ -103,6 +104,7 @@ Returns condensed objects of all Forms beeing owned by the authenticated user.
     "hash": "em4djk8B9BpXnkYG",
     "title": "Form 1",
     "expires": 0,
+    "opens": 0,
     "permissions": [
       "edit",
       "results",
@@ -166,6 +168,7 @@ Returns the full-depth object of the requested form (without submissions).
     "showToAllUsers": false
   },
   "expires": 0,
+  "opens": 0,
   "fileFormat": "csv",
   "fileId": 157,
   "filePath": "foo/bar",
@@ -281,6 +284,7 @@ Update a single or multiple properties of a form-object. Concerns **only** the F
     - To transfer the ownership of a form to another user, you must only send a single _keyValuePair_ containing the key `ownerId` and the user id of the new owner.
     - To link a file for submissions, the _keyValuePairs_ need to contain the keys `path` and `fileFormat`
     - To unlink a file for submissions, the _keyValuePairs_ need to contain the keys `fileId` and `fileFormat` need to contain the value `null`
+    - If both `opens` and `expires` are set (not `0`), `opens` must be before `expires`
 - Response: **Status-Code OK**, as well as the id of the updated form.
 
 ```
diff --git a/docs/DataStructure.md b/docs/DataStructure.md
index 570057b98..d0e9acfa3 100644
--- a/docs/DataStructure.md
+++ b/docs/DataStructure.md
@@ -28,6 +28,7 @@ This document describes the Object-Structure, that is used within the Forms App
 | created                     | unix timestamp                       |                                         | When the form has been created                                                                                                   |
 | access                      | [Access-Object](#access-object)      |                                         | Describing access-settings of the form                                                                                           |
 | expires                     | unix-timestamp                       |                                         | When the form should expire. Timestamp `0` indicates _never_                                                                     |
+| opens                       | unix-timestamp                       |                                         | From when the form accepts responses. Timestamp `0` indicates _immediately_                                                      |
 | isAnonymous                 | Boolean                              |                                         | If Answers will be stored anonymously                                                                                            |
 | state                       | Integer                              | [Form state](#form-state)               | The state of the form                                                                                                            |
 | lockedBy                    | String                               |                                         | The user ID for who has exclusive edit access at the moment                                                                      |
@@ -57,6 +58,7 @@ This document describes the Object-Structure, that is used within the Forms App
   "created": 1611240961,
   "access": {},
   "expires": 0,
+  "opens": 0,
   "isAnonymous": false,
   "submitMultiple": true,
   "allowEditSubmissions": false,
diff --git a/lib/Constants.php b/lib/Constants.php
index 21bed641a..3e465cd0c 100644
--- a/lib/Constants.php
+++ b/lib/Constants.php
@@ -275,6 +275,7 @@ class Constants {
 	 */
 	public const EMPTY_EXPIRED = 'expired';
 	public const EMPTY_NOTFOUND = 'notfound';
+	public const EMPTY_NOTYETOPEN = 'notyetopen';
 
 	/**
 	 * Constants related to extra settings for questions
diff --git a/lib/Controller/ApiController.php b/lib/Controller/ApiController.php
index c6a4e9107..752a03b89 100644
--- a/lib/Controller/ApiController.php
+++ b/lib/Controller/ApiController.php
@@ -178,6 +178,7 @@ public function newForm(?int $fromId = null): DataResponse {
 			$form->setAllowEditSubmissions(false);
 			$form->setShowExpiration(false);
 			$form->setExpires(0);
+			$form->setOpens(0);
 			$form->setIsAnonymous(false);
 
 			$this->formMapper->insert($form);
@@ -212,6 +213,7 @@ public function newForm(?int $fromId = null): DataResponse {
 			$formData['allowEditSubmissions'] = false;
 			$formData['showExpiration'] = false;
 			$formData['expires'] = 0;
+			$formData['opens'] = 0;
 			$formData['isAnonymous'] = false;
 
 			$form = Form::fromParams($formData);
@@ -282,6 +284,7 @@ public function getForm(int $formId): DataResponse {
 	 * @param int $formId FormId of form to update
 	 * @param array<string, mixed> $keyValuePairs Array of key=>value pairs to update.
 	 * @return DataResponse<Http::STATUS_OK, int|string, array{}>
+	 * @throws OCSBadRequestException Invalid opening date or opening date not before expiration date
 	 * @throws OCSBadRequestException Could not find new form owner
 	 * @throws OCSForbiddenException Empty keyValuePairs provided
 	 * @throws OCSForbiddenException Not allowed to update id, hash, created, fileId or lastUpdated. OwnerId only allowed if no other key provided.
@@ -336,6 +339,8 @@ public function updateForm(int $formId, array $keyValuePairs): DataResponse {
 		// Do not allow changing showToAllUsers or permitAllUsers if disabled
 		$this->checkAccessUpdate($keyValuePairs);
 
+		$this->checkOpeningDateUpdate($form, $keyValuePairs);
+
 		$previousAccess = $form->getAccess();
 		$previousState = $form->getState();
 		$previousSettings = $this->getResponseSettings($form);
@@ -1950,6 +1955,28 @@ private function checkForbiddenKeys(array $keyValuePairs): void {
 		}
 	}
 
+	/**
+	 * Throws if the opening date is invalid or not before the expiration date
+	 */
+	private function checkOpeningDateUpdate(Form $form, array $keyValuePairs): void {
+		if (!array_key_exists('opens', $keyValuePairs) && !array_key_exists('expires', $keyValuePairs)) {
+			return;
+		}
+
+		if (array_key_exists('opens', $keyValuePairs)
+			&& (!is_int($keyValuePairs['opens']) || $keyValuePairs['opens'] < 0)) {
+			$this->logger->info('Invalid opening date');
+			throw new OCSBadRequestException('Invalid opening date');
+		}
+
+		$opens = $keyValuePairs['opens'] ?? $form->getOpens();
+		$expires = $keyValuePairs['expires'] ?? $form->getExpires();
+		if ($opens > 0 && $expires > 0 && $opens >= $expires) {
+			$this->logger->info('Opening date must be before expiration date');
+			throw new OCSBadRequestException('Opening date must be before expiration date');
+		}
+	}
+
 	/**
 	 * Throws if fileId is present in update
 	 */
@@ -2103,6 +2130,7 @@ private function getResponseSettings(Form $form): array {
 			'submitMultiple' => $form->getSubmitMultiple(),
 			'allowEditSubmissions' => $form->getAllowEditSubmissions(),
 			'expires' => $form->getExpires(),
+			'opens' => $form->getOpens(),
 			'maxSubmissions' => $form->getMaxSubmissions(),
 		];
 	}
diff --git a/lib/Controller/PageController.php b/lib/Controller/PageController.php
index 457cb9b3a..ef0b54e5b 100644
--- a/lib/Controller/PageController.php
+++ b/lib/Controller/PageController.php
@@ -203,6 +203,11 @@ protected function createPublicSubmitView(Form $form, string $hash): TemplateRes
 			return $this->provideEmptyContent(Constants::EMPTY_EXPIRED, $form);
 		}
 
+		if (!$this->formsService->hasFormOpened($form)) {
+			$this->initialState->provideInitialState('opens', $form->getOpens());
+			return $this->provideEmptyContent(Constants::EMPTY_NOTYETOPEN, $form);
+		}
+
 		$this->insertHeaderOnIos();
 
 		// Inject style on all templates
diff --git a/lib/Db/Form.php b/lib/Db/Form.php
index bd071e03d..0bd26232a 100644
--- a/lib/Db/Form.php
+++ b/lib/Db/Form.php
@@ -31,6 +31,8 @@
  * @method void setCreated(int $value)
  * @method int getExpires()
  * @method void setExpires(int $value)
+ * @method int getOpens()
+ * @method void setOpens(int $value)
  * @method int getIsAnonymous()
  * @method void setIsAnonymous(bool $value)
  * @method int getSubmitMultiple()
@@ -74,6 +76,7 @@ class Form extends Entity {
 	protected $accessEnum;
 	protected $created;
 	protected $expires;
+	protected $opens;
 	protected $isAnonymous;
 	protected $submitMultiple;
 	protected $allowEditSubmissions;
@@ -96,6 +99,7 @@ class Form extends Entity {
 	public function __construct() {
 		$this->addType('created', 'integer');
 		$this->addType('expires', 'integer');
+		$this->addType('opens', 'integer');
 		$this->addType('isAnonymous', 'boolean');
 		$this->addType('submitMultiple', 'boolean');
 		$this->addType('allowEditSubmissions', 'boolean');
@@ -172,6 +176,7 @@ public function setAccess(array $access): void {
 	 *   created: int,
 	 *   access: FormsAccess,
 	 *   expires: int,
+	 *   opens: int,
 	 *   isAnonymous: bool,
 	 *   submitMultiple: bool,
 	 *   allowEditSubmissions: bool,
@@ -201,6 +206,7 @@ public function read() {
 			'created' => $this->getCreated(),
 			'access' => $this->getAccess(),
 			'expires' => (int)$this->getExpires(),
+			'opens' => (int)$this->getOpens(),
 			'isAnonymous' => (bool)$this->getIsAnonymous(),
 			'submitMultiple' => (bool)$this->getSubmitMultiple(),
 			'allowEditSubmissions' => (bool)$this->getAllowEditSubmissions(),
diff --git a/lib/FormsMigrator.php b/lib/FormsMigrator.php
index 91b4ad64b..45fe1c836 100644
--- a/lib/FormsMigrator.php
+++ b/lib/FormsMigrator.php
@@ -144,6 +144,7 @@ public function import(IUser $user, IImportSource $importSource, OutputInterface
 				$form->setOwnerId($user->getUID());
 				$form->setAccess($formData['access']);
 				$form->setExpires($formData['expires']);
+				$form->setOpens($formData['opens'] ?? 0);
 				$form->setIsAnonymous($formData['isAnonymous']);
 				$form->setSubmitMultiple($formData['submitMultiple']);
 				$form->setAllowEditSubmissions($formData['allowEditSubmissions']);
diff --git a/lib/Migration/Version050500Date20261030000000.php b/lib/Migration/Version050500Date20261030000000.php
new file mode 100644
index 000000000..f3c1ae304
--- /dev/null
+++ b/lib/Migration/Version050500Date20261030000000.php
@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Forms\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\Attributes\AddColumn;
+use OCP\Migration\Attributes\ColumnType;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+use Override;
+
+#[AddColumn(table: 'forms_v2_forms', name: 'opens', type: ColumnType::INTEGER, description: 'Timestamp from which a form accepts responses')]
+class Version050500Date20261030000000 extends SimpleMigrationStep {
+	#[Override]
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+		$table = $schema->getTable('forms_v2_forms');
+
+		if ($table->hasColumn('opens')) {
+			return null;
+		}
+
+		$table->addColumn('opens', Types::INTEGER, [
+			'notnull' => true,
+			'default' => 0,
+			'comment' => 'Timestamp from which the form accepts responses, 0 means immediately',
+		]);
+
+		return $schema;
+	}
+}
diff --git a/lib/ResponseDefinitions.php b/lib/ResponseDefinitions.php
index 4d658b910..15ed97324 100644
--- a/lib/ResponseDefinitions.php
+++ b/lib/ResponseDefinitions.php
@@ -106,6 +106,7 @@
  *   hash: string,
  *   title: string,
  *   expires: int,
+ *   opens: int,
  *   permissions: list<FormsPermission>,
  *   partial: true,
  *   state: int,
@@ -123,6 +124,7 @@
  *   created: int,
  *   access: FormsAccess,
  *   expires: int,
+ *   opens: int,
  *   fileFormat: ?string,
  *   fileId: ?int,
  *   filePath?: ?string,
diff --git a/lib/Service/FormsService.php b/lib/Service/FormsService.php
index 65505267e..d67fc625b 100644
--- a/lib/Service/FormsService.php
+++ b/lib/Service/FormsService.php
@@ -266,6 +266,7 @@ public function getPartialFormArrays(array $forms): array {
 				'hash' => $form->getHash(),
 				'title' => $form->getTitle(),
 				'expires' => $form->getExpires(),
+				'opens' => $form->getOpens(),
 				'lastUpdated' => $form->getLastUpdated(),
 				'permissions' => $permissions,
 				'partial' => true,
@@ -407,6 +408,10 @@ public function loadFormForSubmission(int $formId, string $shareHash): Form {
 			throw new OCSForbiddenException('This form is no longer taking answers');
 		}
 
+		if (!$this->hasFormOpened($form)) {
+			throw new OCSForbiddenException('This form is not yet taking answers');
+		}
+
 		return $form;
 	}
 
@@ -671,6 +676,13 @@ public function hasFormExpired(Form $form): bool {
 		return ($form->getExpires() !== 0 && $form->getExpires() < time());
 	}
 
+	/**
+	 * Check if the opening date of the form has been reached.
+	 */
+	public function hasFormOpened(Form $form): bool {
+		return $form->getOpens() <= time();
+	}
+
 	/**
 	 * Get DisplayNames to Shares
 	 *
diff --git a/openapi.json b/openapi.json
index 694617425..4336a8c92 100644
--- a/openapi.json
+++ b/openapi.json
@@ -103,6 +103,7 @@
                     "created",
                     "access",
                     "expires",
+                    "opens",
                     "fileFormat",
                     "fileId",
                     "isAnonymous",
@@ -154,6 +155,10 @@
                         "type": "integer",
                         "format": "int64"
                     },
+                    "opens": {
+                        "type": "integer",
+                        "format": "int64"
+                    },
                     "fileFormat": {
                         "type": "string",
                         "nullable": true
@@ -345,6 +350,7 @@
                     "hash",
                     "title",
                     "expires",
+                    "opens",
                     "permissions",
                     "partial",
                     "state",
@@ -367,6 +373,10 @@
                         "type": "integer",
                         "format": "int64"
                     },
+                    "opens": {
+                        "type": "integer",
+                        "format": "int64"
+                    },
                     "permissions": {
                         "type": "array",
                         "items": {
diff --git a/playwright/e2e/form-settings.spec.ts b/playwright/e2e/form-settings.spec.ts
index 50d92b41b..708e71c7c 100644
--- a/playwright/e2e/form-settings.spec.ts
+++ b/playwright/e2e/form-settings.spec.ts
@@ -77,6 +77,50 @@ test.describe('Form settings', () => {
 		await expect(submitView.submitButton).toBeVisible()
 	})
 
+	test('Opening date in the future blocks submissions', async ({
+		page,
+		topBar,
+		appNavigation,
+	}) => {
+		const saved = waitForApiResponse(page, 'PATCH')
+		await page
+			.getByRole('switch', { name: /Set opening date/ })
+			.click({ force: true })
+		await saved
+
+		await expect(appNavigation.getOwnForm(/Settings test form/)).toContainText(
+			/Opens in/,
+		)
+
+		await topBar.toggleView(FormsView.View)
+
+		const main = page.getByRole('main')
+		await expect(main.getByText('Form not yet open')).toBeVisible()
+		await expect(main.getByText(/This form will open on/)).toBeVisible()
+	})
+
+	test('Removing the opening date allows submissions', async ({
+		page,
+		topBar,
+		submitView,
+	}) => {
+		const set = waitForApiResponse(page, 'PATCH')
+		await page
+			.getByRole('switch', { name: /Set opening date/ })
+			.click({ force: true })
+		await set
+
+		const removed = waitForApiResponse(page, 'PATCH')
+		await page
+			.getByRole('switch', { name: /Set opening date/ })
+			.click({ force: true })
+		await removed
+
+		await topBar.toggleView(FormsView.View)
+
+		await expect(submitView.submitButton).toBeVisible()
+	})
+
 	test('Anonymous mode shows anonymous message on submit view', async ({
 		page,
 		topBar,
diff --git a/src/FormsEmptyContent.vue b/src/FormsEmptyContent.vue
index d9dd1e32a..17bd0fcc0 100644
--- a/src/FormsEmptyContent.vue
+++ b/src/FormsEmptyContent.vue
@@ -19,8 +19,10 @@
 
 <script lang="ts">
 import IconCheck from '@material-symbols/svg-400/outlined/check.svg?raw'
+import IconSchedule from '@material-symbols/svg-400/outlined/schedule.svg?raw'
 import { loadState } from '@nextcloud/initial-state'
 import { t } from '@nextcloud/l10n'
+import moment from '@nextcloud/moment'
 import { computed, defineComponent } from 'vue'
 import NcAppContent from '@nextcloud/vue/components/NcAppContent'
 import NcContent from '@nextcloud/vue/components/NcContent'
@@ -52,6 +54,14 @@ const renderModels: Record<
 		),
 		icon: IconCheck,
 	},
+
+	notyetopen: {
+		title: t('forms', 'Form not yet open'),
+		description: t('forms', 'This form will open on {date}', {
+			date: moment(loadState(formsAppName, 'opens', 0), 'X').format('LLL'),
+		}),
+		icon: IconSchedule,
+	},
 }
 
 export default defineComponent({
diff --git a/src/components/AppNavigationForm.vue b/src/components/AppNavigationForm.vue
index c1881b26e..ece8e5111 100644
--- a/src/components/AppNavigationForm.vue
+++ b/src/components/AppNavigationForm.vue
@@ -228,6 +228,12 @@ export default defineComponent({
 			if (props.form.state === FormState.FormClosed) {
 				return t('forms', 'Form closed')
 			}
+			if (props.form.opens > moment().unix()) {
+				const relativeDate = moment(props.form.opens, 'X')
+					.locale(window.OC?.getLanguage())
+					.fromNow()
+				return t('forms', 'Opens {relativeDate}', { relativeDate })
+			}
 			if (props.form.expires) {
 				const relativeDate = moment(props.form.expires, 'X')
 					.locale(window.OC?.getLanguage())
diff --git a/src/components/SidebarTabs/SettingsSidebarTab.vue b/src/components/SidebarTabs/SettingsSidebarTab.vue
index 9571a1289..685f4b33c 100644
--- a/src/components/SidebarTabs/SettingsSidebarTab.vue
+++ b/src/components/SidebarTabs/SettingsSidebarTab.vue
@@ -57,6 +57,28 @@
 			@update:modelValue="onAllowCommentsChange">
 			{{ t('forms', 'Allow comments') }}
 		</NcCheckboxRadioSwitch>
+		<NcCheckboxRadioSwitch
+			:modelValue="formOpens"
+			:disabled="formArchived || locked"
+			type="switch"
+			@update:modelValue="onFormOpensChange">
+			{{ t('forms', 'Set opening date') }}
+		</NcCheckboxRadioSwitch>
+		<div v-show="formOpens && !formArchived" class="settings-div--indent">
+			<NcDateTimePicker
+				id="opensDatetimePicker"
+				:clearable="false"
+				:disabled="locked"
+				:disabledDate="isInvalidOpeningDay"
+				:disabledTime="isInvalidOpeningTime"
+				:editable="false"
+				:format="stringifyOpeningDate"
+				:minuteStep="5"
+				:showSecond="false"
+				:modelValue="openingDate"
+				type="datetime"
+				@update:modelValue="onOpeningDateChange" />
+		</div>
 		<NcCheckboxRadioSwitch
 			:modelValue="formExpires"
 			:disabled="formArchived || locked"
@@ -69,8 +91,8 @@
 				id="expiresDatetimePicker"
 				:clearable="false"
 				:disabled="locked"
-				:disabledDate="notBeforeToday"
-				:disabledTime="notBeforeNow"
+				:disabledDate="isInvalidExpirationDay"
+				:disabledTime="isInvalidExpirationTime"
 				:editable="false"
 				:format="stringifyDate"
 				:minuteStep="5"
@@ -403,6 +425,7 @@ export default defineComponent({
 			() => disableSubmitMultiple.value || props.form.submitMultiple,
 		)
 		const formExpires = computed(() => props.form.expires !== 0)
+		const formOpens = computed(() => props.form.opens > 0)
 		const formArchived = computed(
 			() => props.form.state === FormState.FormArchived,
 		)
@@ -419,6 +442,8 @@ export default defineComponent({
 		const expirationDate = computed(() =>
 			moment(props.form.expires, 'X').toDate(),
 		)
+		const isOpened = computed(() => props.form.opens <= moment().unix())
+		const openingDate = computed(() => moment(props.form.opens, 'X').toDate())
 		const injectMarkdownit = (): MarkdownRenderer => {
 			return (
 				(inject('$markdownit', {
@@ -540,6 +565,19 @@ export default defineComponent({
 			return t('forms', 'Expires on {date}', { date })
 		}
 
+		/**
+		 * Opening datepicker timestamp to string
+		 *
+		 * @param datetime the datepicker Date
+		 */
+		const stringifyOpeningDate = (datetime: Date): string => {
+			const date = moment(datetime).format('LLL')
+			if (isOpened.value) {
+				return t('forms', 'Opened on {date}', { date })
+			}
+			return t('forms', 'Opens on {date}', { date })
+		}
+
 		/**
 		 * Form expires timestamp to Date of the datepicker
 		 *
@@ -567,6 +605,46 @@ export default defineComponent({
 		const notBeforeNow = (datetime: Date): boolean =>
 			datetime < moment().toDate()
 
+		/**
+		 * Prevent selecting an opening day in the past or after the expiration day
+		 *
+		 * @param datetime the datepicker Date
+		 */
+		const isInvalidOpeningDay = (datetime: Date): boolean =>
+			notBeforeToday(datetime)
+			|| (formExpires.value
+				&& datetime > moment(props.form.expires, 'X').endOf('day').toDate())
+
+		/**
+		 * Prevent selecting an opening time in the past or not before the expiration
+		 *
+		 * @param datetime the datepicker Date
+		 */
+		const isInvalidOpeningTime = (datetime: Date): boolean =>
+			notBeforeNow(datetime)
+			|| (formExpires.value
+				&& datetime >= moment(props.form.expires, 'X').toDate())
+
+		/**
+		 * Prevent selecting an expiration day in the past or before the opening day
+		 *
+		 * @param datetime the datepicker Date
+		 */
+		const isInvalidExpirationDay = (datetime: Date): boolean =>
+			notBeforeToday(datetime)
+			|| (formOpens.value
+				&& datetime < moment(props.form.opens, 'X').startOf('day').toDate())
+
+		/**
+		 * Prevent selecting an expiration time in the past or not after the opening
+		 *
+		 * @param datetime the datepicker Date
+		 */
+		const isInvalidExpirationTime = (datetime: Date): boolean =>
+			notBeforeNow(datetime)
+			|| (formOpens.value
+				&& datetime <= moment(props.form.opens, 'X').toDate())
+
 		const saveConfirmationEmailQuestionId = (
 			selectedQuestionId: number | null,
 		): void => {
@@ -644,9 +722,38 @@ export default defineComponent({
 		const onAllowCommentsChange = (checked: boolean): void => {
 			emit('update:formProp', 'allowComments', checked)
 		}
+		const onFormOpensChange = (checked: boolean): void => {
+			if (!checked) {
+				emit('update:formProp', 'opens', 0)
+				return
+			}
+
+			const opens = moment().add(1, 'hour')
+			if (formExpires.value && opens.unix() >= props.form.expires) {
+				emit('update:formProp', 'opens', moment().unix())
+			} else {
+				emit('update:formProp', 'opens', opens.unix())
+			}
+		}
+
+		/**
+		 * On opening date picker change
+		 *
+		 * @param datetime the opening Date
+		 */
+		const onOpeningDateChange = (datetime: Date | [Date, Date] | null): void => {
+			if (!(datetime instanceof Date)) {
+				return
+			}
+			emit('update:formProp', 'opens', moment(datetime).unix())
+		}
+
 		const onFormExpiresChange = (checked: boolean): void => {
 			if (checked) {
-				emit('update:formProp', 'expires', moment().add(1, 'hour').unix())
+				const start = formOpens.value
+					? moment.max(moment(), moment(props.form.opens, 'X'))
+					: moment()
+				emit('update:formProp', 'expires', start.add(1, 'hour').unix())
 			} else {
 				emit('update:formProp', 'expires', 0)
 			}
@@ -770,12 +877,14 @@ export default defineComponent({
 			hasPublicLink,
 			submitMultiple,
 			formExpires,
+			formOpens,
 			formArchived,
 			formClosed,
 			hasMaxSubmissions,
 			maxSubmissionsValue,
 			isExpired,
 			expirationDate,
+			openingDate,
 			submissionMessageHTML,
 			emailBodyPlaceholder,
 			emailQuestionCount,
@@ -790,13 +899,18 @@ export default defineComponent({
 			isConfirmationEmailConfigurationBlocked,
 			confirmationEmailQuestionLabel,
 			stringifyDate,
+			stringifyOpeningDate,
 			parseTimestampToDate,
-			notBeforeToday,
-			notBeforeNow,
+			isInvalidOpeningDay,
+			isInvalidOpeningTime,
+			isInvalidExpirationDay,
+			isInvalidExpirationTime,
 			onAnonChange,
 			onSubmitMultipleChange,
 			onAllowEditSubmissionsChange,
 			onAllowCommentsChange,
+			onFormOpensChange,
+			onOpeningDateChange,
 			onFormExpiresChange,
 			onShowExpirationChange,
 			onExpirationDateChange,
@@ -820,6 +934,7 @@ export default defineComponent({
 <style lang="scss" scoped>
 @use '../../scssmixins/markdownOutput.scss' as *;
 
+#opensDatetimePicker,
 #expiresDatetimePicker {
 	width: calc(100% - var(--default-clickable-area));
 }
diff --git a/src/types/Entities.d.ts b/src/types/Entities.d.ts
index 7f531ce13..1d9b26248 100644
--- a/src/types/Entities.d.ts
+++ b/src/types/Entities.d.ts
@@ -95,6 +95,7 @@ export interface FormsForm {
 	created: number
 	access: FormsAccess | Record<string, unknown>
 	expires: number
+	opens: number
 	fileFormat?: string | null
 	fileId?: number | null
 	filePath?: string | null
diff --git a/src/views/Submit.vue b/src/views/Submit.vue
index bd023dacd..447338134 100644
--- a/src/views/Submit.vue
+++ b/src/views/Submit.vue
@@ -124,6 +124,15 @@
 					<NcIconSvgWrapper :svg="IconCheckSvg" :size="64" />
 				</template>
 			</NcEmptyContent>
+			<NcEmptyContent
+				v-else-if="isNotYetOpen"
+				class="forms-emptycontent"
+				:name="t('forms', 'Form not yet open')"
+				:description="openingMessage">
+				<template #icon>
+					<NcIconSvgWrapper :svg="IconScheduleSvg" :size="64" />
+				</template>
+			</NcEmptyContent>
 
 			<!-- Questions list -->
 			<form v-else ref="formElement" @submit.prevent="onSubmit">
@@ -228,6 +237,7 @@ import type {
 import IconCancel from '@material-symbols/svg-400/outlined/block.svg?raw'
 import IconCheck from '@material-symbols/svg-400/outlined/check.svg?raw'
 import IconRefresh from '@material-symbols/svg-400/outlined/refresh.svg?raw'
+import IconSchedule from '@material-symbols/svg-400/outlined/schedule.svg?raw'
 import IconSend from '@material-symbols/svg-400/outlined/send.svg?raw'
 import axios from '@nextcloud/axios'
 import { showError } from '@nextcloud/dialogs'
@@ -438,6 +448,10 @@ export default defineComponent({
 			return props.form.expires > 0 && moment().unix() > props.form.expires
 		})
 
+		const isNotYetOpen = computed<boolean>(() => {
+			return props.form.opens > moment().unix()
+		})
+
 		const isArchived = computed<boolean>(() => {
 			return props.form.state === FormState.FormArchived
 		})
@@ -456,7 +470,12 @@ export default defineComponent({
 		 * @return - Returns true if active, otherwise false.
 		 */
 		const isActive = computed<boolean>(() => {
-			return !isArchived.value && !isClosed.value && !isExpired.value
+			return (
+				!isArchived.value
+				&& !isClosed.value
+				&& !isExpired.value
+				&& !isNotYetOpen.value
+			)
 		})
 
 		const infoMessage = computed<string>(() => {
@@ -499,6 +518,11 @@ export default defineComponent({
 			return t('forms', 'Expires {relativeDate}.', { relativeDate })
 		})
 
+		const openingMessage = computed<string>(() => {
+			const date = moment(props.form.opens, 'X').format('LLL')
+			return t('forms', 'This form will open on {date}', { date })
+		})
+
 		/**
 		 * Buttons for the "confirm submit empty form" dialog
 		 */
@@ -1188,12 +1212,14 @@ export default defineComponent({
 			confirmEmptyModalButtons,
 			confirmLeaveFormButtons,
 			expirationMessage,
+			openingMessage,
 			formElement,
 			hasAnswers,
 			infoMessage,
 			isArchived,
 			isClosed,
 			isExpired,
+			isNotYetOpen,
 			isMaxSubmissionsReached,
 			loading,
 			onKeydownCtrlEnter,
@@ -1213,6 +1239,7 @@ export default defineComponent({
 			validQuestions,
 			title,
 			IconCheckSvg: IconCheck,
+			IconScheduleSvg: IconSchedule,
 			IconRefreshSvg: IconRefresh,
 			IconSendSvg: IconSend,
 			t,
diff --git a/tests/Integration/Api/ApiV3Test.php b/tests/Integration/Api/ApiV3Test.php
index 92c6e2592..3da8ea088 100644
--- a/tests/Integration/Api/ApiV3Test.php
+++ b/tests/Integration/Api/ApiV3Test.php
@@ -309,6 +309,7 @@ public static function dataGetForms() {
 						'hash' => '0123456789abcdef',
 						'title' => 'Title of a Form',
 						'expires' => 0,
+						'opens' => 0,
 						'state' => 0,
 						'lastUpdated' => 123456789,
 						'permissions' => Constants::PERMISSION_ALL,
@@ -321,6 +322,7 @@ public static function dataGetForms() {
 						'hash' => 'zyxwvutsrq654321',
 						'title' => 'Title of a third Form',
 						'expires' => 0,
+						'opens' => 0,
 						'state' => 0,
 						'lastUpdated' => 123456789,
 						'permissions' => Constants::PERMISSION_ALL,
@@ -356,6 +358,7 @@ public static function dataGetSharedForms() {
 						'hash' => 'abcdefghij123456',
 						'title' => 'Title of a second Form',
 						'expires' => 0,
+						'opens' => 0,
 						'state' => 0,
 						'lastUpdated' => 123456789,
 						'permissions' => [
@@ -400,6 +403,7 @@ public static function dataGetNewForm() {
 						'showToAllUsers' => false
 					],
 					'expires' => 0,
+					'opens' => 0,
 					'state' => 0,
 					'lockedBy' => null,
 					'lockedUntil' => null,
@@ -469,6 +473,7 @@ public static function dataGetFullForm() {
 						'showToAllUsers' => false
 					],
 					'expires' => 0,
+					'opens' => 0,
 					'state' => 0,
 					'lockedBy' => null,
 					'lockedUntil' => null,
@@ -738,6 +743,24 @@ public function testUpdateFormRejectsForbiddenKeys(): void {
 		$this->assertEquals($before, $after);
 	}
 
+	public function testUpdateFormRejectsOpeningDateAfterExpiration(): void {
+		$resp = $this->http->request('PATCH', "api/v3/forms/{$this->testForms[0]['id']}", [
+			'json' => [
+				'keyValuePairs' => [
+					'expires' => time() + 3600,
+					'opens' => time() + 7200,
+				],
+			],
+			'http_errors' => false,
+		]);
+
+		$this->assertEquals(400, $resp->getStatusCode());
+
+		$form = $this->OcsResponse2Data($this->http->request('GET', "api/v3/forms/{$this->testForms[0]['id']}"));
+		$this->assertEquals(0, $form['expires']);
+		$this->assertEquals(0, $form['opens']);
+	}
+
 	public function testDeleteForm() {
 		$resp = $this->http->request('DELETE', "api/v3/forms/{$this->testForms[0]['id']}");
 		$data = $this->OcsResponse2Data($resp);
@@ -1655,6 +1678,32 @@ public function testNewSubmission() {
 		], $data['submissions'][0]);
 	}
 
+	public function testNewSubmissionBeforeOpeningDate() {
+		$opens = time() + 3600;
+		$resp = $this->http->request('PATCH', "api/v3/forms/{$this->testForms[0]['id']}", [
+			'json' => [
+				'keyValuePairs' => [
+					'opens' => $opens,
+				],
+			],
+		]);
+		$this->assertEquals(200, $resp->getStatusCode());
+
+		$form = $this->OcsResponse2Data($this->http->request('GET', "api/v3/forms/{$this->testForms[0]['id']}"));
+		$this->assertEquals($opens, $form['opens']);
+
+		$resp = $this->http->request('POST', "api/v3/forms/{$this->testForms[0]['id']}/submissions", [
+			'json' => [
+				'answers' => [
+					$this->testForms[0]['questions'][0]['id'] => ['ShortAnswer!'],
+				],
+			],
+			'http_errors' => false,
+		]);
+
+		$this->assertEquals(403, $resp->getStatusCode());
+	}
+
 	public static function dataDeleteSingleSubmission() {
 		$submissionsExpected = self::dataGetSubmissions()['getSubmissions']['expected'];
 		array_splice($submissionsExpected['submissions'], 0, 1);
diff --git a/tests/Integration/Api/RespectAdminSettingsTest.php b/tests/Integration/Api/RespectAdminSettingsTest.php
index 3d18e532a..227b7322d 100644
--- a/tests/Integration/Api/RespectAdminSettingsTest.php
+++ b/tests/Integration/Api/RespectAdminSettingsTest.php
@@ -120,6 +120,7 @@ private static function sharedTestForms(): array {
 				'description' => '',
 				'created' => 12345,
 				'expires' => 0,
+				'opens' => 0,
 				'state' => 0,
 				'lockedBy' => null,
 				'lockedUntil' => null,
diff --git a/tests/Unit/Controller/ApiControllerTest.php b/tests/Unit/Controller/ApiControllerTest.php
index 0de992dcc..512f38db2 100644
--- a/tests/Unit/Controller/ApiControllerTest.php
+++ b/tests/Unit/Controller/ApiControllerTest.php
@@ -584,6 +584,7 @@ public static function dataTestCreateNewForm() {
 					'showToAllUsers' => false,
 				],
 				'expires' => 0,
+				'opens' => 0,
 				'isAnonymous' => false,
 				'submitMultiple' => false,
 				'showExpiration' => false,
@@ -683,6 +684,7 @@ public static function dataCloneForm() {
 					'ownerId' => 'currentUser',
 					'description' => '',
 					'expires' => 0,
+					'opens' => 1700000000,
 					'isAnonymous' => false,
 					'submitMultiple' => false,
 					'showExpiration' => false
@@ -698,6 +700,7 @@ public static function dataCloneForm() {
 					'ownerId' => 'currentUser',
 					'description' => '',
 					'expires' => 0,
+					'opens' => 0,
 					'isAnonymous' => false,
 					'submitMultiple' => false,
 					'showExpiration' => false
@@ -732,6 +735,7 @@ public function testCloneForm($old, $new) {
 				self::assertInstanceOf(Form::class, $form);
 				self::assertNull($form->getId());
 				self::assertEquals($form->getHash(), 'new hash');
+				self::assertSame(0, $form->getOpens());
 				$form->setId(14);
 				return true;
 			}));
@@ -1602,6 +1606,7 @@ private function createUpdatableForm(): Form {
 		$form->setSubmitMultiple(false);
 		$form->setAllowEditSubmissions(false);
 		$form->setExpires(0);
+		$form->setOpens(0);
 
 		$this->formsService
 			->method('getFormIfAllowed')
@@ -1666,6 +1671,68 @@ public function testUpdateFormLogsOnlyNamesOfChangedResponseSettings(): void {
 		]);
 	}
 
+	public static function dataUpdateFormRejectsInvalidOpeningDate(): array {
+		return [
+			'negative' => [0, 0, ['opens' => -1]],
+			'not an integer' => [0, 0, ['opens' => '1700000000']],
+			'after expiration' => [0, 1700000000, ['opens' => 1700003600]],
+			'equal to expiration' => [0, 0, ['opens' => 1700000000, 'expires' => 1700000000]],
+			'expiration before opening' => [1700003600, 0, ['expires' => 1700000000]],
+		];
+	}
+
+	/**
+	 * @dataProvider dataUpdateFormRejectsInvalidOpeningDate
+	 */
+	public function testUpdateFormRejectsInvalidOpeningDate(int $opens, int $expires, array $keyValuePairs): void {
+		$form = $this->createUpdatableForm();
+		$form->setOpens($opens);
+		$form->setExpires($expires);
+
+		$this->formMapper->expects($this->never())->method('update');
+		$this->expectNoAuditLog();
+
+		$this->expectException(OCSBadRequestException::class);
+		$this->apiController->updateForm(1, $keyValuePairs);
+	}
+
+	public static function dataUpdateFormAcceptsValidOpeningDate(): array {
+		return [
+			'without expiration' => [0, 0, ['opens' => 1700000000], 1700000000, 0],
+			'before expiration' => [0, 1700003600, ['opens' => 1700000000], 1700000000, 1700003600],
+			'both at once' => [0, 0, ['opens' => 1700000000, 'expires' => 1700003600], 1700000000, 1700003600],
+			'removing expiration' => [1700003600, 1700007200, ['expires' => 0], 1700003600, 0],
+			'removing opening date' => [1700003600, 1700007200, ['opens' => 0], 0, 1700007200],
+		];
+	}
+
+	/**
+	 * @dataProvider dataUpdateFormAcceptsValidOpeningDate
+	 */
+	public function testUpdateFormAcceptsValidOpeningDate(int $opens, int $expires, array $keyValuePairs, int $expectedOpens, int $expectedExpires): void {
+		$form = $this->createUpdatableForm();
+		$form->setOpens($opens);
+		$form->setExpires($expires);
+
+		$this->formMapper->expects($this->once())
+			->method('update')
+			->with($form);
+
+		$this->assertEquals(new DataResponse(1), $this->apiController->updateForm(1, $keyValuePairs));
+		$this->assertSame($expectedOpens, $form->getOpens());
+		$this->assertSame($expectedExpires, $form->getExpires());
+	}
+
+	public function testUpdateFormLogsOpeningDateChange(): void {
+		$this->createUpdatableForm();
+
+		$this->apiController->updateForm(1, ['opens' => 1700000000]);
+
+		$this->assertAuditLogged([
+			[Operation::FormSettingsUpdated, 'Response settings of form %s were changed', ['formId' => 1, 'changedKeys' => ['opens']]],
+		]);
+	}
+
 	public function testUpdateFormLogsLinkedResultsFile(): void {
 		$form = $this->createUpdatableForm();
 		$file = $this->createMock(File::class);
diff --git a/tests/Unit/Controller/PageControllerTest.php b/tests/Unit/Controller/PageControllerTest.php
index f1a21e942..d411d7a76 100644
--- a/tests/Unit/Controller/PageControllerTest.php
+++ b/tests/Unit/Controller/PageControllerTest.php
@@ -8,7 +8,9 @@
 
 namespace OCA\Forms\Tests\Unit\Controller;
 
+use OCA\Forms\Constants;
 use OCA\Forms\Controller\PageController;
+use OCA\Forms\Db\Form;
 use OCA\Forms\Db\FormMapper;
 use OCA\Forms\Db\ShareMapper;
 use OCA\Forms\Service\ConfigService;
@@ -84,4 +86,48 @@ public function testSetEmbeddedCSP() {
 			->with(self::callback(fn (ContentSecurityPolicy $csp): bool => preg_match('/frame-ancestors[^;]* \*[ ;]/', $csp->buildPolicy()) !== false));
 		TestCase::invokePrivate($this->pageController, 'setEmbeddedCSP', [$response]);
 	}
+
+	public function testPublicSubmitViewOfNotYetOpenedForm() {
+		$form = new Form();
+		$form->setOpens(1700000000);
+		$this->formsService->method('hasFormExpired')->willReturn(false);
+		$this->formsService->method('hasFormOpened')->with($form)->willReturn(false);
+		$this->formsService->expects($this->never())->method('getPublicForm');
+		$this->userSession->method('isLoggedIn')->willReturn(true);
+
+		$initialStates = [];
+		$this->initialState->method('provideInitialState')
+			->willReturnCallback(function (string $key, $value) use (&$initialStates) {
+				$initialStates[$key] = $value;
+			});
+
+		TestCase::invokePrivate($this->pageController, 'createPublicSubmitView', [$form, 'hash']);
+
+		$this->assertSame([
+			'opens' => 1700000000,
+			'renderAs' => Constants::EMPTY_NOTYETOPEN,
+		], $initialStates);
+	}
+
+	public function testPublicSubmitViewOfOpenedForm() {
+		$form = new Form();
+		$this->formsService->method('hasFormExpired')->willReturn(false);
+		$this->formsService->method('hasFormOpened')->with($form)->willReturn(true);
+		$this->formsService->expects($this->once())
+			->method('getPublicForm')
+			->with($form)
+			->willReturn([]);
+		$this->userSession->method('isLoggedIn')->willReturn(true);
+
+		$initialStates = [];
+		$this->initialState->method('provideInitialState')
+			->willReturnCallback(function (string $key, $value) use (&$initialStates) {
+				$initialStates[$key] = $value;
+			});
+
+		TestCase::invokePrivate($this->pageController, 'createPublicSubmitView', [$form, 'hash']);
+
+		$this->assertArrayHasKey('form', $initialStates);
+		$this->assertArrayNotHasKey('renderAs', $initialStates);
+	}
 }
diff --git a/tests/Unit/FormsMigratorTest.php b/tests/Unit/FormsMigratorTest.php
index a380cc464..02d6a5fa6 100644
--- a/tests/Unit/FormsMigratorTest.php
+++ b/tests/Unit/FormsMigratorTest.php
@@ -82,6 +82,7 @@ public static function dataExport() {
       "showToAllUsers": false
     },
     "expires": 0,
+    "opens": 0,
 	"state": 0,
 	"lockedBy": null,
 	"lockedUntil": null,
@@ -244,16 +245,22 @@ public function testExport(string $expectedJson) {
 	public static function dataImport() {
 		return [
 			'exactlyOneOfEach' => [
-				'inputJson' => '[{"title":"Link","description":"","created":1646251830,"access":{"permitAllUsers":false,"showToAllUsers":false},"expires":0,"state":0,"lockedBy":null,"lockedUntil":null,"maxSubmissions":null,"isAnonymous":false,"submitMultiple":false,"allowEditSubmissions":false,"showExpiration":false,"lastUpdated":123456789,"confirmationEmailEnabled":true,"confirmationEmailSubject":"Thanks","confirmationEmailBody":"Body","confirmationEmailQuestionId":null,"allowComments":false,"questions":[{"id":14,"order":2,"type":"multiple","isRequired":false,"text":"checkbox","description":"huhu","extraSettings":{},"options":[{"text":"ans1"}]}],"submissions":[{"userId":"anyUser@localhost","timestamp":1651354059,"answers":[{"questionId":14,"text":"ans1"}]}]}]'
+				'inputJson' => '[{"title":"Link","description":"","created":1646251830,"access":{"permitAllUsers":false,"showToAllUsers":false},"expires":0,"state":0,"lockedBy":null,"lockedUntil":null,"maxSubmissions":null,"isAnonymous":false,"submitMultiple":false,"allowEditSubmissions":false,"showExpiration":false,"lastUpdated":123456789,"confirmationEmailEnabled":true,"confirmationEmailSubject":"Thanks","confirmationEmailBody":"Body","confirmationEmailQuestionId":null,"allowComments":false,"questions":[{"id":14,"order":2,"type":"multiple","isRequired":false,"text":"checkbox","description":"huhu","extraSettings":{},"options":[{"text":"ans1"}]}],"submissions":[{"userId":"anyUser@localhost","timestamp":1651354059,"answers":[{"questionId":14,"text":"ans1"}]}]}]',
+				'expectedOpens' => 0,
+			],
+			'withOpeningDate' => [
+				'inputJson' => '[{"title":"Link","description":"","created":1646251830,"access":{"permitAllUsers":false,"showToAllUsers":false},"expires":0,"opens":1700000000,"state":0,"lockedBy":null,"lockedUntil":null,"maxSubmissions":null,"isAnonymous":false,"submitMultiple":false,"allowEditSubmissions":false,"showExpiration":false,"lastUpdated":123456789,"confirmationEmailEnabled":true,"confirmationEmailSubject":"Thanks","confirmationEmailBody":"Body","confirmationEmailQuestionId":null,"allowComments":false,"questions":[{"id":14,"order":2,"type":"multiple","isRequired":false,"text":"checkbox","description":"huhu","extraSettings":{},"options":[{"text":"ans1"}]}],"submissions":[{"userId":"anyUser@localhost","timestamp":1651354059,"answers":[{"questionId":14,"text":"ans1"}]}]}]',
+				'expectedOpens' => 1700000000,
 			]
 		];
 	}
 
 	/**
 	 * @param string $inputJson JsonString to input
+	 * @param int $expectedOpens Opening date the imported form is expected to have
 	 */
 	#[DataProvider('dataImport')]
-	public function testImport(string $inputJson) {
+	public function testImport(string $inputJson, int $expectedOpens) {
 		$user = $this->createMock(IUser::class);
 		$importSource = $this->createMock(IImportSource::class);
 		$output = $this->createMock(OutputInterface::class);
@@ -276,7 +283,8 @@ public function testImport(string $inputJson) {
 
 		$this->formMapper->expects($this->once())
 			->method('insert')
-			->willReturnCallback(function (Form $form) {
+			->willReturnCallback(function (Form $form) use ($expectedOpens) {
+				$this->assertSame($expectedOpens, $form->getOpens());
 				$this->assertTrue($form->getConfirmationEmailEnabled());
 				$this->assertSame('Thanks', $form->getConfirmationEmailSubject());
 				$this->assertSame('Body', $form->getConfirmationEmailBody());
diff --git a/tests/Unit/Service/FormsServiceTest.php b/tests/Unit/Service/FormsServiceTest.php
index eac660ef9..7952ed0c6 100644
--- a/tests/Unit/Service/FormsServiceTest.php
+++ b/tests/Unit/Service/FormsServiceTest.php
@@ -48,6 +48,7 @@ function microtime(bool|float $asFloat = false) {
 use OCA\Forms\Service\FormsService;
 use OCA\Forms\Tests\Unit\UserFolderMockTrait;
 use OCP\AppFramework\Db\DoesNotExistException;
+use OCP\AppFramework\OCS\OCSForbiddenException;
 use OCP\EventDispatcher\IEventDispatcher;
 use OCP\Files\IFilenameValidator;
 use OCP\Files\IRootFolder;
@@ -198,6 +199,7 @@ public static function dataGetForm() {
 					'showToAllUsers' => false,
 				],
 				'expires' => 0,
+				'opens' => 0,
 				'isAnonymous' => false,
 				'submitMultiple' => true,
 				'showExpiration' => false,
@@ -291,6 +293,7 @@ public function testGetForm(array $expected) {
 			'showToAllUsers' => false,
 		]);
 		$form->setExpires(0);
+		$form->setOpens(0);
 		$form->setIsAnonymous(false);
 		$form->setSubmitMultiple(true);
 		$form->setShowExpiration(false);
@@ -376,6 +379,7 @@ public static function dataGetPartialForm() {
 				'hash' => 'abcdefg',
 				'title' => 'Form 1',
 				'expires' => 0,
+				'opens' => 0,
 				'lastUpdated' => 123456789,
 				'permissions' => Constants::PERMISSION_ALL,
 				'submissionCount' => 123,
@@ -398,6 +402,7 @@ public function testGetPartialForm(array $expected) {
 		$form->setTitle('Form 1');
 		$form->setOwnerId('currentUser');
 		$form->setExpires(0);
+		$form->setOpens(0);
 		$form->setLastUpdated(123456789);
 
 		$this->submissionMapper->expects($this->once())
@@ -416,6 +421,7 @@ public static function dataGetPartialFormShared() {
 				'hash' => 'abcdefg',
 				'title' => 'Form 1',
 				'expires' => 0,
+				'opens' => 0,
 				'lastUpdated' => 123456789,
 				'permissions' => ['results', 'submit'],
 				'submissionCount' => 123,
@@ -440,6 +446,7 @@ public function testGetPartialFormShared(array $expected) {
 		$form->setTitle('Form 1');
 		$form->setOwnerId('otherUser');
 		$form->setExpires(0);
+		$form->setOpens(0);
 		$form->setLastUpdated(123456789);
 
 		$share = new Share();
@@ -472,6 +479,7 @@ public function testGetPartialFormSharedUserSubmissions() {
 			'hash' => 'abcdefg',
 			'title' => 'Form 1',
 			'expires' => 0,
+			'opens' => 0,
 			'lastUpdated' => 123456789,
 			'permissions' => ['submit', 'results'],
 			'submissionCount' => 2,
@@ -488,6 +496,7 @@ public function testGetPartialFormSharedUserSubmissions() {
 		$form->setTitle('Form 1');
 		$form->setOwnerId('otherUser');
 		$form->setExpires(0);
+		$form->setOpens(0);
 		$form->setLastUpdated(123456789);
 
 		$share = new Share();
@@ -528,6 +537,7 @@ public function testGetPartialFormArraysCountsInBulk() {
 		$ownedForm->setTitle('Form 1');
 		$ownedForm->setOwnerId('currentUser');
 		$ownedForm->setExpires(0);
+		$ownedForm->setOpens(0);
 		$ownedForm->setLastUpdated(123456789);
 
 		$sharedForm = new Form();
@@ -537,6 +547,7 @@ public function testGetPartialFormArraysCountsInBulk() {
 		$sharedForm->setTitle('Form 2');
 		$sharedForm->setOwnerId('otherUser');
 		$sharedForm->setExpires(0);
+		$sharedForm->setOpens(0);
 		$sharedForm->setLastUpdated(123456789);
 
 		$share = new Share();
@@ -568,6 +579,7 @@ public function testGetPartialFormArraysCountsInBulk() {
 				'hash' => 'abcdefg',
 				'title' => 'Form 1',
 				'expires' => 0,
+				'opens' => 0,
 				'lastUpdated' => 123456789,
 				'permissions' => Constants::PERMISSION_ALL,
 				'partial' => true,
@@ -581,6 +593,7 @@ public function testGetPartialFormArraysCountsInBulk() {
 				'hash' => 'hijklmn',
 				'title' => 'Form 2',
 				'expires' => 0,
+				'opens' => 0,
 				'lastUpdated' => 123456789,
 				'permissions' => ['submit'],
 				'partial' => true,
@@ -604,6 +617,7 @@ public static function dataGetPublicForm() {
 				'description' => 'Description Text',
 				'created' => 123456789,
 				'expires' => 0,
+				'opens' => 0,
 				'lastUpdated' => 123456789,
 				'isAnonymous' => false,
 				'submitMultiple' => true,
@@ -644,6 +658,7 @@ public function testGetPublicForm(array $expected) {
 			'showToAllUsers' => false,
 		]);
 		$form->setExpires(0);
+		$form->setOpens(0);
 		$form->setLastUpdated(123456789);
 		$form->setIsAnonymous(false);
 		$form->setSubmitMultiple(true);
@@ -1244,6 +1259,52 @@ public function testHasFormExpired(int $expires, int $state, bool $expected) {
 		$this->assertEquals($expected, $this->formsService->hasFormExpired($form));
 	}
 
+	public static function dataHasFormOpened() {
+		return [
+			'hasOpened' => [time() - 3600, true],
+			'hasNotOpened' => [time() + 3600, false],
+			'noOpeningDate' => [0, true],
+		];
+	}
+
+	#[DataProvider('dataHasFormOpened')]
+	public function testHasFormOpened(int $opens, bool $expected) {
+		$form = new Form();
+		$form->setOpens($opens);
+
+		$this->assertEquals($expected, $this->formsService->hasFormOpened($form));
+	}
+
+	public static function dataLoadFormForSubmission() {
+		return [
+			'hasOpened' => [time() - 3600, true],
+			'hasNotOpened' => [time() + 3600, false],
+			'noOpeningDate' => [0, true],
+		];
+	}
+
+	#[DataProvider('dataLoadFormForSubmission')]
+	public function testLoadFormForSubmissionOpeningDate(int $opens, bool $canSubmit) {
+		$form = new Form();
+		$form->setId(42);
+		$form->setOwnerId('currentUser');
+		$form->setState(Constants::FORM_STATE_ACTIVE);
+		$form->setExpires(0);
+		$form->setOpens($opens);
+
+		$this->formMapper->expects($this->once())
+			->method('findById')
+			->with(42)
+			->willReturn($form);
+
+		if (!$canSubmit) {
+			$this->expectException(OCSForbiddenException::class);
+			$this->expectExceptionMessage('This form is not yet taking answers');
+		}
+
+		$this->assertSame($form, $this->formsService->loadFormForSubmission(42, ''));
+	}
+
 	public static function dataGetShareDisplayName() {
 		return [
 			'userShare' => [