diff --git a/lib/BackgroundJob/SendInviteResponseMailJob.php b/lib/BackgroundJob/SendInviteResponseMailJob.php
index 81df9c980e810d6edf565db7f338cebc7ba445ad..c2e025bfb8c1587510b122072379ae8fbba9d81d 100644
--- a/lib/BackgroundJob/SendInviteResponseMailJob.php
+++ b/lib/BackgroundJob/SendInviteResponseMailJob.php
@@ -37,6 +37,7 @@ use OCP\IL10N;
 use OCP\IUserManager;
 use OCP\Calendar\IManager;
 use Sabre\VObject\Reader;
+use Sabre\VObject\Parameter;
 use OCP\Util;
 
 class SendInviteResponseMailJob extends QueuedJob  {
@@ -199,10 +200,21 @@ class SendInviteResponseMailJob extends QueuedJob  {
 					$SUMMARY = $vObject->VEVENT->SUMMARY;
 					$datestart = (string) $vObject->VEVENT->DTSTART;
 					if (str_contains($datestart, "T")) {
-						$eventdate = date("F d, Y h:i", strtotime($datestart));
+						$eventdate = date("F d, Y h:i A", strtotime($datestart));
 					} else {
 						$eventdate = date("F d, Y", strtotime($datestart));
 					}
+					$isAllDay =  $vObject->VEVENT->DTSTART instanceof Property\ICalendar\Date;
+					if(!$isAllDay){
+						$isFloating = $vObject->VEVENT->DTSTART->isFloating();
+						if (!$isFloating) {
+							$prop = $vObject->VEVENT->DTSTART->offsetGet('TZID');
+							if ($prop instanceof Parameter) {
+								$timezone =   $vObject->VEVENT->DTSTART->offsetGet('TZID')->getValue();
+								$eventdate=$eventdate.' ('.$timezone.')';
+							}
+						}
+					}
 					$translationData = [
 						"summary" => $SUMMARY,
 						"attendee_name" => $attendeeName,