diff --git a/htdocs/projet/activity/perday.php b/htdocs/projet/activity/perday.php
index d64d6bf0eda..7238ec59f62 100644
--- a/htdocs/projet/activity/perday.php
+++ b/htdocs/projet/activity/perday.php
@@ -87,6 +87,10 @@ $daytoparse = $now;
 if ($yearofday && $monthofday && $dayofday) $daytoparse = dol_mktime(0, 0, 0, $monthofday, $dayofday, $yearofday); // xxxofday is value of day after submit action 'addtime'
 elseif ($year && $month && $day) $daytoparse = dol_mktime(0, 0, 0, $month, $day, $year); // this are value submited after submit of action 'submitdateselect'
 
+$daytoparsegmt = dol_now('gmt');
+if ($yearofday && $monthofday && $dayofday) $daytoparsegmt = dol_mktime(0, 0, 0, $monthofday, $dayofday, $yearofday, 'gmt'); // xxxofday is value of day after submit action 'addtime'
+elseif ($year && $month && $day) $daytoparsegmt = dol_mktime(0, 0, 0, $month, $day, $year, 'gmt'); // this are value submited after submit of action 'submitdateselect'
+
 
 if (empty($search_usertoprocessid) || $search_usertoprocessid == $user->id)
 {
@@ -621,7 +625,7 @@ $statusofholidaytocheck = Holiday::STATUS_APPROVED;
 $isavailablefordayanduser = $holiday->verifDateHolidayForTimestamp($usertoprocess->id, $daytoparse, $statusofholidaytocheck); // $daytoparse is a date with hours = 0
 $isavailable[$daytoparse] = $isavailablefordayanduser; // in projectLinesPerWeek later, we are using $firstdaytoshow and dol_time_plus_duree to loop on each day
 
-$test = num_public_holiday($daytoparse, $daytoparse + 86400, $mysoc->country_code);
+$test = num_public_holiday($daytoparsegmt, $daytoparsegmt + 86400, $mysoc->country_code);
 if ($test) $isavailable[$daytoparse] = array('morning'=>false, 'afternoon'=>false, 'morning_reason'=>'public_holiday', 'afternoon_reason'=>'public_holiday');
 
 $tmparray = dol_getdate($daytoparse, true); // detail of current day
diff --git a/htdocs/projet/activity/perweek.php b/htdocs/projet/activity/perweek.php
index cdfd9229d0c..b9c107bd22d 100644
--- a/htdocs/projet/activity/perweek.php
+++ b/htdocs/projet/activity/perweek.php
@@ -97,7 +97,7 @@ $next_day   = $next['day'];
 
 // Define firstdaytoshow and lastdaytoshow (warning: lastdaytoshow is last second to show + 1)
 $firstdaytoshow = dol_mktime(0, 0, 0, $first_month, $first_day, $first_year);
-$lastdaytoshow = dol_time_plus_duree($firstdaytoshow, 7, 'd');
+$firstdaytoshowgmt = dol_mktime(0, 0, 0, $first_month, $first_day, $first_year, 'gmt');
 
 if (empty($search_usertoprocessid) || $search_usertoprocessid == $user->id)
 {
@@ -524,23 +524,16 @@ if (!empty($conf->global->MAIN_DEFAULT_WORKING_DAYS))
 for ($idw = 0; $idw < 7; $idw++)
 {
 	$dayinloopfromfirstdaytoshow = dol_time_plus_duree($firstdaytoshow, $idw, 'd'); // $firstdaytoshow is a date with hours = 0
-
-	// Useless because $dayinloopwithouthours should be same than $dayinloopfromfirstdaytoshow
-	//$tmparray = dol_getdate($dayinloop);
-	//$dayinloopwithouthours=dol_mktime(0, 0, 0, $tmparray['mon'], $tmparray['mday'], $tmparray['year']);
-	//print dol_print_date($dayinloop, 'dayhour').' ';
-	//print dol_print_date($dayinloopwithouthours, 'dayhour').' ';
-	//print dol_print_date($dayinloopfromfirstdaytoshow, 'dayhour').'<br>';
+	$dayinloopfromfirstdaytoshowgmt = dol_time_plus_duree($firstdaytoshowgmt, $idw, 'd'); // $firstdaytoshow is a date with hours = 0
 
 	$statusofholidaytocheck = Holiday::STATUS_APPROVED;
 
 	$isavailablefordayanduser = $holiday->verifDateHolidayForTimestamp($usertoprocess->id, $dayinloopfromfirstdaytoshow, $statusofholidaytocheck);
 	$isavailable[$dayinloopfromfirstdaytoshow] = $isavailablefordayanduser; // in projectLinesPerWeek later, we are using $firstdaytoshow and dol_time_plus_duree to loop on each day
 
-	$test = num_public_holiday($dayinloopfromfirstdaytoshow, $dayinloopfromfirstdaytoshow + 86400, $mysoc->country_code);
+	$test = num_public_holiday($dayinloopfromfirstdaytoshowgmt, $dayinloopfromfirstdaytoshowgmt + 86400, $mysoc->country_code);
 	if ($test) $isavailable[$dayinloopfromfirstdaytoshow] = array('morning'=>false, 'afternoon'=>false, 'morning_reason'=>'public_holiday', 'afternoon_reason'=>'public_holiday');
 }
-//var_dump($isavailable);
 
 
 
@@ -660,7 +653,6 @@ print '<th class="maxwidth75 right">'.$langs->trans("TimeSpent").($usertoprocess
 for ($idw = 0; $idw < 7; $idw++)
 {
 	$dayinloopfromfirstdaytoshow = dol_time_plus_duree($firstdaytoshow, $idw, 'd'); // $firstdaytoshow is a date with hours = 0
-	$dayinloop = dol_time_plus_duree($startday, $idw, 'd');
 
 	$cssweekend = '';
 	if ((($idw + 1) < $numstartworkingday) || (($idw + 1) > $numendworkingday))	// This is a day is not inside the setup of working days, so we use a week-end css.