diff --git a/htdocs/comm/action/card.php b/htdocs/comm/action/card.php
index 1d084c915d8..ee8fff4adc8 100644
--- a/htdocs/comm/action/card.php
+++ b/htdocs/comm/action/card.php
@@ -1546,19 +1546,19 @@ if ($id > 0) {
 		print '</td><td td colspan="3">';
 		$tzforfullday = getDolGlobalString('MAIN_STORE_FULL_EVENT_IN_GMT');
 		if (GETPOST("afaire") == 1) {
-			print $form->selectDate($datep ? $datep : $object->datep, 'ap', 1, 1, 0, "action", 1, 1, 0, 'fulldaystart', '', '', '', 1, '', '', $object->fulldayevent ? ($tzforfullday ? $tzforfullday : 'tzuser') : 'tzuser');
+			print $form->selectDate($datep ? $datep : $object->datep, 'ap', 1, 1, 0, "action", 1, 1, 0, 'fulldaystart', '', '', '', 1, '', '', $object->fulldayevent ? ($tzforfullday ? $tzforfullday : 'tzuserrel') : 'tzuserrel');
 		} elseif (GETPOST("afaire") == 2) {
-			print $form->selectDate($datep ? $datep : $object->datep, 'ap', 1, 1, 1, "action", 1, 1, 0, 'fulldaystart', '', '', '', 1, '', '', $object->fulldayevent ? ($tzforfullday ? $tzforfullday : 'tzuser') : 'tzuser');
+			print $form->selectDate($datep ? $datep : $object->datep, 'ap', 1, 1, 1, "action", 1, 1, 0, 'fulldaystart', '', '', '', 1, '', '', $object->fulldayevent ? ($tzforfullday ? $tzforfullday : 'tzuserrel') : 'tzuserrel');
 		} else {
-			print $form->selectDate($datep ? $datep : $object->datep, 'ap', 1, 1, 1, "action", 1, 1, 0, 'fulldaystart', '', '', '', 1, '', '', $object->fulldayevent ? ($tzforfullday ? $tzforfullday : 'tzuser') : 'tzuser');
+			print $form->selectDate($datep ? $datep : $object->datep, 'ap', 1, 1, 1, "action", 1, 1, 0, 'fulldaystart', '', '', '', 1, '', '', $object->fulldayevent ? ($tzforfullday ? $tzforfullday : 'tzuserrel') : 'tzuserrel');
 		}
 		print ' - ';
 		if (GETPOST("afaire") == 1) {
-			print $form->selectDate($datef ? $datef : $object->datef, 'p2', 1, 1, 1, "action", 1, 1, 0, 'fulldayend', '', '', '', 1, '', '', $object->fulldayevent ? ($tzforfullday ? $tzforfullday : 'tzuser') : 'tzuser');
+			print $form->selectDate($datef ? $datef : $object->datef, 'p2', 1, 1, 1, "action", 1, 1, 0, 'fulldayend', '', '', '', 1, '', '', $object->fulldayevent ? ($tzforfullday ? $tzforfullday : 'tzuserrel') : 'tzuserrel');
 		} elseif (GETPOST("afaire") == 2) {
-			print $form->selectDate($datef ? $datef : $object->datef, 'p2', 1, 1, 1, "action", 1, 1, 0, 'fulldayend', '', '', '', 1, '', '', $object->fulldayevent ? ($tzforfullday ? $tzforfullday : 'tzuser') : 'tzuser');
+			print $form->selectDate($datef ? $datef : $object->datef, 'p2', 1, 1, 1, "action", 1, 1, 0, 'fulldayend', '', '', '', 1, '', '', $object->fulldayevent ? ($tzforfullday ? $tzforfullday : 'tzuserrel') : 'tzuserrel');
 		} else {
-			print $form->selectDate($datef ? $datef : $object->datef, 'p2', 1, 1, 1, "action", 1, 1, 0, 'fulldayend', '', '', '', 1, '', '', $object->fulldayevent ? ($tzforfullday ? $tzforfullday : 'tzuser') : 'tzuser');
+			print $form->selectDate($datef ? $datef : $object->datef, 'p2', 1, 1, 1, "action", 1, 1, 0, 'fulldayend', '', '', '', 1, '', '', $object->fulldayevent ? ($tzforfullday ? $tzforfullday : 'tzuserrel') : 'tzuserrel');
 		}
 		print '</td></tr>';
 
@@ -1996,11 +1996,15 @@ if ($id > 0) {
 
 		// Date start
 		print '<tr><td>'.$langs->trans("DateActionStart").'</td><td>';
+		// Test a date before the 27 march and one after
+		//print dol_print_date($object->datep, 'dayhour', 'gmt');
+		//print dol_print_date($object->datep, 'dayhour', 'tzuser');
+		//print dol_print_date($object->datep, 'dayhour', 'tzuserrel');
 		if (empty($object->fulldayevent)) {
-			print dol_print_date($object->datep, 'dayhour', 'tzuser');
+			print dol_print_date($object->datep, 'dayhour', 'tzuserrel');
 		} else {
 			$tzforfullday = getDolGlobalString('MAIN_STORE_FULL_EVENT_IN_GMT');
-			print dol_print_date($object->datep, 'day', ($tzforfullday ? $tzforfullday : 'tzuser'));
+			print dol_print_date($object->datep, 'day', ($tzforfullday ? $tzforfullday : 'tzuserrel'));
 		}
 		if ($object->percentage == 0 && $object->datep && $object->datep < ($now - $delay_warning)) {
 			print img_warning($langs->trans("Late"));
@@ -2011,10 +2015,10 @@ if ($id > 0) {
 		// Date end
 		print '<tr><td>'.$langs->trans("DateActionEnd").'</td><td>';
 		if (empty($object->fulldayevent)) {
-			print dol_print_date($object->datef, 'dayhour', 'tzuser');
+			print dol_print_date($object->datef, 'dayhour', 'tzuserrel');
 		} else {
 			$tzforfullday = getDolGlobalString('MAIN_STORE_FULL_EVENT_IN_GMT');
-			print dol_print_date($object->datef, 'day', ($tzforfullday ? $tzforfullday : 'tzuser'));
+			print dol_print_date($object->datef, 'day', ($tzforfullday ? $tzforfullday : 'tzuserrel'));
 		}
 		if ($object->percentage > 0 && $object->percentage < 100 && $object->datef && $object->datef < ($now - $delay_warning)) {
 			print img_warning($langs->trans("Late"));