diff --git a/js/controller/ActivityController.js b/js/controller/ActivityController.js
index cfb348cc5..4740bd4d1 100644
--- a/js/controller/ActivityController.js
+++ b/js/controller/ActivityController.js
@@ -20,7 +20,7 @@
  *
  */
 
-/* global OC OCA OCP t escapeHTML Handlebars */
+/* global OC OCA OCP t escapeHTML Handlebars moment */
 
 import CommentCollection from '../legacy/commentcollection';
 import CommentModel from '../legacy/commentmodel';
@@ -279,7 +279,13 @@ class ActivityController {
 		return this.activityservice.getData(this.type, id);
 	}
 
-	parseMessage(subject, parameters) {
+	parseMessage(activity) {
+		let subject = activity.subject_rich[0];
+		let parameters = activity.subject_rich[1];
+		if (parameters.after && parameters.after.id && parameters.after.id.startsWith('dt:')) {
+			let dateTime = parameters.after.id.substr(3);
+			parameters.after.name = moment(dateTime).format('L LTS');
+		}
 		return OCA.Activity.RichObjectStringParser.parseMessage(subject, parameters);
 	}
 
diff --git a/lib/Activity/DeckProvider.php b/lib/Activity/DeckProvider.php
index c99bbe468..fff6c9a7e 100644
--- a/lib/Activity/DeckProvider.php
+++ b/lib/Activity/DeckProvider.php
@@ -31,8 +31,10 @@ use OCP\Activity\IProvider;
 use OCP\Comments\IComment;
 use OCP\Comments\ICommentsManager;
 use OCP\Comments\NotFoundException;
+use OCP\IConfig;
 use OCP\IURLGenerator;
 use OCP\IUserManager;
+use OCP\L10N\IFactory;
 
 class DeckProvider implements IProvider {
 
@@ -46,13 +48,19 @@ class DeckProvider implements IProvider {
 	private $userManager;
 	/** @var ICommentsManager */
 	private $commentsManager;
+	/** @var IFactory */
+	private $l10nFactory;
+	/** @var IConfig */
+	private $config;
 
-	public function __construct(IURLGenerator $urlGenerator, ActivityManager $activityManager, IUserManager $userManager, ICommentsManager $commentsManager, $userId) {
+	public function __construct(IURLGenerator $urlGenerator, ActivityManager $activityManager, IUserManager $userManager, ICommentsManager $commentsManager, IFactory $l10n, IConfig $config, $userId) {
 		$this->userId = $userId;
 		$this->urlGenerator = $urlGenerator;
 		$this->activityManager = $activityManager;
 		$this->commentsManager = $commentsManager;
 		$this->userManager = $userManager;
+		$this->l10nFactory = $l10n;
+		$this->config = $config;
 	}
 
 	/**
@@ -94,6 +102,7 @@ class DeckProvider implements IProvider {
 				'name' => $user !== null ? $user->getDisplayName() : $author
 			],
 		];
+		$event->setAuthor($author);
 		if ($event->getObjectType() === ActivityManager::DECK_OBJECT_BOARD) {
 			if ($event->getObjectName() === '') {
 				$event->setObject($event->getObjectType(), $event->getObjectId(), $subjectParams['board']['title']);
@@ -133,6 +142,7 @@ class DeckProvider implements IProvider {
 		$params = $this->parseParamForAcl($subjectParams, $params);
 		$params = $this->parseParamForChanges($subjectParams, $params, $event);
 		$params = $this->parseParamForComment($subjectParams, $params, $event);
+		$params = $this->parseParamForDuedate($subjectParams, $params, $event);
 
 		try {
 			$subject = $this->activityManager->getActivityFormat($subjectIdentifier, $subjectParams, $ownActivity);
@@ -279,6 +289,22 @@ class DeckProvider implements IProvider {
 		return $params;
 	}
 
+	private function parseParamForDuedate($subjectParams, $params, IEvent $event) {
+		if (array_key_exists('after', $subjectParams) && $event->getSubject() === ActivityManager::SUBJECT_CARD_UPDATE_DUEDATE) {
+			$userLanguage = $this->config->getUserValue($event->getAuthor(), 'core', 'lang', $this->l10nFactory->findLanguage());
+			$userLocale = $this->config->getUserValue($event->getAuthor(), 'core', 'locale', $this->l10nFactory->findLocale());
+			$l10n = $this->l10nFactory->get('deck', $userLanguage, $userLocale);
+			$date = new \DateTime($subjectParams['after']);
+			$date->setTimezone(new \DateTimeZone(\date_default_timezone_get()));
+			$params['after'] = [
+				'type' => 'highlight',
+				'id' => 'dt:' . $subjectParams['after'],
+				'name' => $l10n->l('datetime', $date)
+			];
+		}
+		return $params;
+	}
+
 	/**
 	 * Add diff to message if the subject parameter 'diff' is set, otherwise
 	 * the changed values are added to before/after
diff --git a/templates/part.card.activity.html b/templates/part.card.activity.html
index be0163b11..a4db25167 100644
--- a/templates/part.card.activity.html
+++ b/templates/part.card.activity.html
@@ -20,7 +20,7 @@
 		</div>
 		<span class="activitytime has-tooltip live-relative-timestamp"
 			  data-timestamp="{{ activity.timestamp }}">{{ activity.timestamp/1000 | relativeDateFilter }}</span>
-		<div class="activitysubject" ng-if="!activity.commentModel" bind-html-compile="$ctrl.parseMessage(activity.subject_rich[0], activity.subject_rich[1])"></div>
+		<div class="activitysubject" ng-if="!activity.commentModel" bind-html-compile="$ctrl.parseMessage(activity)"></div>
 		<div class="activitysubject commentAuthor" ng-if="activity.commentModel">
 			{{ activity.subject_rich[1].user.name }}
 			<div class="app-popover-menu-utils">
diff --git a/tests/unit/Activity/DeckProviderTest.php b/tests/unit/Activity/DeckProviderTest.php
index 2c405ff1f..746764ff6 100644
--- a/tests/unit/Activity/DeckProviderTest.php
+++ b/tests/unit/Activity/DeckProviderTest.php
@@ -28,10 +28,12 @@ use OCA\Deck\Db\Acl;
 use OCP\Activity\IEvent;
 use OCP\Comments\IComment;
 use OCP\Comments\ICommentsManager;
+use OCP\IConfig;
 use OCP\IL10N;
 use OCP\IURLGenerator;
 use OCP\IUser;
 use OCP\IUserManager;
+use OCP\L10N\IFactory;
 use OCP\RichObjectStrings\IValidator;
 use PHPUnit\Framework\TestCase;
 use PHPUnit_Framework_MockObject_MockObject as MockObject;
@@ -62,7 +64,9 @@ class DeckProviderTest extends TestCase {
 		$this->activityManager = $this->createMock(ActivityManager::class);
 		$this->userManager = $this->createMock(IUserManager::class);
 		$this->commentsManager = $this->createMock(ICommentsManager::class);
-		$this->provider = new DeckProvider($this->urlGenerator, $this->activityManager, $this->userManager, $this->commentsManager, $this->userId);
+		$this->l10nFactory = $this->createMock(IFactory::class);
+		$this->config = $this->createMock(IConfig::class);
+		$this->provider = new DeckProvider($this->urlGenerator, $this->activityManager, $this->userManager, $this->commentsManager, $this->l10nFactory, $this->config, $this->userId);
 	}
 
 	private function mockEvent($objectType, $objectId, $objectName, $subject, $subjectParameters = []) {