diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 32796db2147..200c6222a3e 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -10059,9 +10059,9 @@ abstract class CommonObject
 	/**
 	 * Create object in the database
 	 *
-	 * @param  User		$user		User that creates
-	 * @param  int<0,1>	$notrigger	0=launch triggers after, 1=disable triggers
-	 * @return int<-1,max>			Return integer <0 if KO, Id of created object if OK
+	 * @param  User			$user		User that creates
+	 * @param  int<0,1>		$notrigger	0=launch triggers after, 1=disable triggers
+	 * @return int<-1,max>				Return integer <0 if KO, Id of created object if OK
 	 */
 	public function createCommon(User $user, $notrigger = 0)
 	{
@@ -10080,6 +10080,7 @@ abstract class CommonObject
 		if (array_key_exists('date_creation', $fieldvalues) && empty($fieldvalues['date_creation'])) {
 			$fieldvalues['date_creation'] = $this->db->idate($now);
 		}
+		// For backward compatibility, if a property ->fk_user_creat exists and not filled.
 		if (array_key_exists('fk_user_creat', $fieldvalues) && !($fieldvalues['fk_user_creat'] > 0)) {
 			$fieldvalues['fk_user_creat'] = $user->id;
 			$this->fk_user_creat = $user->id;
diff --git a/htdocs/projet/class/task.class.php b/htdocs/projet/class/task.class.php
index 83b9b1e55a8..9a32ee96f96 100644
--- a/htdocs/projet/class/task.class.php
+++ b/htdocs/projet/class/task.class.php
@@ -139,7 +139,7 @@ class Task extends CommonObjectLine
 	public $timespent_old_duration;
 	public $timespent_date;
 	public $timespent_datehour; // More accurate start date (same than timespent_date but includes hours, minutes and seconds)
-	public $timespent_withhour; // 1 = we entered also start hours for timesheet line
+	public $timespent_withhour; // 0 or 1 = we have entered also start hours for timesheet line
 	public $timespent_fk_user;
 	public $timespent_thm;
 	public $timespent_note;
@@ -1467,10 +1467,9 @@ class Task extends CommonObjectLine
 		$timespent->fk_user = $this->timespent_fk_user;
 		$timespent->fk_product = $this->timespent_fk_product;
 		$timespent->note = $this->timespent_note;
-		$timespent->datec = $this->db->idate($now);
+		$timespent->datec = $now;
 
 		$result = $timespent->create($user);
-
 		if ($result > 0) {
 			$ret = $result;
 			$this->timespent_id = $result;
diff --git a/htdocs/projet/tasks/time.php b/htdocs/projet/tasks/time.php
index 4f7541724fc..00c4a8e8053 100644
--- a/htdocs/projet/tasks/time.php
+++ b/htdocs/projet/tasks/time.php
@@ -175,7 +175,6 @@ if (GETPOST('button_removefilter_x', 'alpha') || GETPOST('button_removefilter.x'
 	$search_year = '';
 	$search_note = '';
 	$search_duration = '';
-	$search_value = '';
 	$search_date_startday = '';
 	$search_date_startmonth = '';
 	$search_date_startyear = '';
@@ -249,6 +248,7 @@ if ($action == 'addtimespent' && $user->hasRight('projet', 'time')) {
 					$object->timespent_withhour = 1;
 				} else {
 					$object->timespent_date = dol_mktime(12, 0, 0, GETPOSTINT("timemonth"), GETPOSTINT("timeday"), GETPOSTINT("timeyear"));
+					$object->timespent_withhour = 0;
 				}
 				$object->timespent_fk_user = GETPOSTINT("userid");
 				$object->timespent_fk_product = GETPOSTINT("fk_product");
@@ -299,6 +299,7 @@ if (($action == 'updateline' || $action == 'updatesplitline') && !$cancel && $us
 				$object->timespent_withhour = 1;
 			} else {
 				$object->timespent_date = dol_mktime(12, 0, 0, GETPOST("timelinemonth"), GETPOST("timelineday"), GETPOST("timelineyear"));
+				$object->timespent_withhour = 0;
 			}
 			$object->timespent_fk_user = GETPOSTINT("userid_line");
 			$object->timespent_fk_product = GETPOSTINT("fk_product");
@@ -328,6 +329,7 @@ if (($action == 'updateline' || $action == 'updatesplitline') && !$cancel && $us
 				$object->timespent_withhour = 1;
 			} else {
 				$object->timespent_date = dol_mktime(12, 0, 0, GETPOSTINT("timelinemonth"), GETPOSTINT("timelineday"), GETPOSTINT("timelineyear"));
+				$object->timespent_withhour = 0;
 			}
 			$object->timespent_fk_user = GETPOSTINT("userid_line");
 			$object->timespent_fk_product = GETPOSTINT("fk_product");