diff --git a/application/TimerecordingBilling/TimerecordingBillingController.php b/application/TimerecordingBilling/TimerecordingBillingController.php
index 4a159d00c..ce4b9ae42 100644
--- a/application/TimerecordingBilling/TimerecordingBillingController.php
+++ b/application/TimerecordingBilling/TimerecordingBillingController.php
@@ -606,6 +606,10 @@ class TimerecordingBillingController extends mfBaseController
             }
             if ($timerecording['daysum']) {
                 $data['nlz'] = $timerecording['daysum'];
+                if (strpos($data['nlz'],"Urlaub aufbuchen") !== false) {
+                    $holidays=$this->getholidays($timerecording['user_id'], $enddate);
+                    $data['holidays'] = $holidays;
+                }
             }
             if ($timerecording['homeoffice']) {
                 $data['homeoffice'] = $timerecording['homeoffice'];
@@ -807,4 +811,72 @@ class TimerecordingBillingController extends mfBaseController
         echo json_encode($response);
         die();
     }
+
+    protected function getholidays($userid, $enddate)
+    {
+//        $enddate = strtotime("01." . $date);
+//        $enddate = strtotime("last day of this month", $enddate);
+//        $enddate = strtotime("23:59:59", $enddate);
+
+        $employee = TimerecordingEmployeeModel::search(['user_id' => $userid]);
+
+        if ($employee) {
+            $employee = $employee[0];
+            $holidays = $employee->holidays;
+            $holidays_now = $employee->holidays_now;
+            $holidays_timestamp = $employee->holidays_timestamp;
+            $workinghours = TimerecordingEmployeeWorkingHourModel::search(['user_id' => $userid]);
+            $realHolidays = TimerecordingHolidayModel::getAll();
+            foreach ($realHolidays as $realHoliday) {
+                $realholiDay[date('Y-m-d', $realHoliday->timestamp)] = $realHoliday->timestamp;
+            }
+            if (!$holidays_timestamp) {
+                //$holidays_timestamp = $employee->startdate;
+                $holidays_timestamp = strtotime('2024-01-01 00:00:00');
+                $holidays_now = $holidays;
+            }
+            $timerecordings = TimerecordingModel::search(['user_id' => $userid, 'start' => $holidays_timestamp, 'timerecordingCategory_id' => 3]);
+            $timerecordingscorrections = TimerecordingModel::search(['user_id' => $userid, 'start' => $holidays_timestamp, 'days' => 1]);
+            foreach ($timerecordings as $timerecording) {
+
+                if ($timerecording->end > $enddate) {
+                    $timerecording->end = $enddate;
+                }
+                $daycounter = ($timerecording->end - $timerecording->start) / 86400;
+                $daycounter = intval(round($daycounter, 0, PHP_ROUND_HALF_DOWN));
+                $daycounter = $daycounter * 86400;
+                if (is_int($daycounter)) {
+                    for ($i = 86400; $i <= $daycounter; $i = $i + 86400) {
+                        $holidayDays[date("Y-m-d", $timerecording->start + $i - 86400)] = 1;
+                    }
+                }
+            }
+
+
+            foreach ($workinghours as $workinghour) {
+
+                $whstart = strtotime(date('Y-m-d', time()) . " " . $workinghour->start . ":00");
+                $whend = strtotime(date('Y-m-d', time()) . " " . $workinghour->end . ":00");
+                if (!$workingHours[$workinghour->day]) {
+                    $workingHours[$workinghour->day] = $whend - $whstart;
+                } else {
+                    $workingHours[$workinghour->day] = $workingHours[$workinghour->day] + $whend - $whstart;
+                }
+            }
+            //check if holiday is already in the list
+            foreach ($holidayDays as $key => $holidayDay) {
+                if (($realholiDay[$key])) {
+
+                } else if ($workingHours[date('w', strtotime($key))]) {
+                    $holidays_now--;
+                }
+            }
+            foreach ($timerecordingscorrections as $timerecordingscorrection) {
+                $holidays_now = $holidays_now + $timerecordingscorrection->days;
+            }
+
+        }
+
+        return $holidays_now;
+    }
 }