diff --git a/application/Timerecording/TimerecordingController.php b/application/Timerecording/TimerecordingController.php
index 60b64969a..446987135 100644
--- a/application/Timerecording/TimerecordingController.php
+++ b/application/Timerecording/TimerecordingController.php
@@ -154,6 +154,44 @@ class TimerecordingController extends mfBaseController
         }
     }
 
+    protected function getWorkingHours($ajax = 0)
+    {
+        $r = $this->request;
+        $date = $r->date;
+        $starttime = strtotime($date . " 08:00:00");
+        if ($r->user_id) {
+            $userid = $r->user_id;
+        }
+        $workinghours = TimerecordingEmployeeWorkingHourModel::search(['user_id' => $userid]);
+        $realHolidays = TimerecordingHolidayModel::getAll();
+        foreach ($realHolidays as $realHoliday) {
+            $realholiDay[date('Y-m-d', $realHoliday->timestamp)] = $realHoliday->timestamp;
+        }
+        if ($realholiDay[$date]) {
+            $result['state'] = "error";
+            $result['error'] = "Keine Arbeitszeitverschiebung an einem Feiertag möglich";
+            echo json_encode($result);
+            die();
+        }
+        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]['time']) {
+                $workingHours[$workinghour->day]['time'] = $whend - $whstart;
+                $workingHours[$workinghour->day]['start'] = $workinghour->start;
+            } else {
+                $workingHours[$workinghour->day]['time'] = $workingHours[$workinghour->day]['time'] + $whend - $whstart;
+            }
+        }
+        if (!$workingHours[date("w", $starttime)]) {
+            $result['state'] = "error";
+            $result['error'] = "Keine Arbeitszeitverschiebung außerhalb von Arbeitstagen möglich";
+            echo json_encode($result);
+            die();
+        }
+        return $workingHours[date("w", $starttime)];
+    }
+
     protected function checkWorkingHours($ajax = 0)
     {
 
@@ -298,6 +336,10 @@ class TimerecordingController extends mfBaseController
         } else if ($hourday == 8) {
             $starttime = strtotime($r->date . " 00:00:00");
             $endtime = strtotime($r->date . " 23:59:00");
+        } else if ($hourday == 10) {
+            $data = $this->getWorkingHours();
+            $starttime = strtotime($r->date . " " . $data['start'] . ":00");
+            $endtime = $starttime + $data['time'];
         }
 
         if ($hourday != 5 && $hourday != 7 && $hourday != 8 && $hourday != 9) {
@@ -473,9 +515,7 @@ class TimerecordingController extends mfBaseController
                 $email->setFrom(TT_TIMERECORDING_EMAIL, TT_TIMERECORDING_EMAIL_NAME);
                 $email->setTo(TT_TIMERECORDING_EMAIL);
                 $email->send();
-            }
-            else if ($timerecordingCategoriess[0]->approval_fibu == "1" && !$r->user_id)
-            {
+            } else if ($timerecordingCategoriess[0]->approval_fibu == "1" && !$r->user_id) {
                 $body = 'Beantrag von:  ' . $this->me->name . '
 ';
                 $body .= 'Buchungsart:   ' . $timerecordingCategoriess[0]->name . '
@@ -1117,11 +1157,21 @@ class TimerecordingController extends mfBaseController
                 } else {
                     $sum = $hoursbpa . " St";
                 }
+            } else if ($timerecording->timerecordingCategory->hourday == 10) {
+                $date = date("d.m.Y", $timerecording->start);
+                $datadate = date("Y-m-d", $timerecording->start);
+                $start = "-";
+                $end = "-";
+                $seconds = $timerecording->end - $timerecording->start;
+                $minutes = floor(($seconds % 3600) / 60);
+                $hours = floor($seconds / 3600);
+                $sum = "-" .sprintf("%02d", $hours) . ":" . sprintf("%02d", $minutes);
+                $day = $daysgerm[date("w", $timerecording->start)];
             }
 
             if (($timerecording->timerecordingCategory->approval == 1 && $timerecording->approved == 0) || ($timerecording->timerecordingCategory->approval_fibu == 1 && $timerecording->approved == 0)) {
                 $state = '<i class="fa-regular fa-clock mr-1"></i>';
-            } else if (($timerecording->timerecordingCategory->approval == 1 && $timerecording->approved == 1) || ($timerecording->timerecordingCategory->approval_fibu == 1  && $timerecording->approved == 1 )) {
+            } else if (($timerecording->timerecordingCategory->approval == 1 && $timerecording->approved == 1) || ($timerecording->timerecordingCategory->approval_fibu == 1 && $timerecording->approved == 1)) {
                 $state = '<i class="fa-regular fa-circle-check mr-1"></i>';
             }
             $edit = "";
diff --git a/application/TimerecordingCategory/TimerecordingCategoryController.php b/application/TimerecordingCategory/TimerecordingCategoryController.php
index bfa193681..529aaaa78 100644
--- a/application/TimerecordingCategory/TimerecordingCategoryController.php
+++ b/application/TimerecordingCategory/TimerecordingCategoryController.php
@@ -100,6 +100,9 @@ class TimerecordingCategoryController extends mfBaseController
         if (!$data['approval']) {
             $data['approval'] = 0;
         }
+        if (!$data['approval_fibu']) {
+            $data['approval_fibu'] = 0;
+        }
         if (!$data['require_comment']) {
             $data['require_comment'] = 0;
         }
diff --git a/application/TimerecordingCategory/TimerecordingCategoryModel.php b/application/TimerecordingCategory/TimerecordingCategoryModel.php
index 6bee3d49d..aa52cf1f2 100644
--- a/application/TimerecordingCategory/TimerecordingCategoryModel.php
+++ b/application/TimerecordingCategory/TimerecordingCategoryModel.php
@@ -11,7 +11,7 @@ class TimerecordingCategoryModel
     private $only_admin;
     private $businesstrip;
     private $unpaid;
-    public static $hourday_definition = array(1 => "Uhrzeit (von/bis)", 2 => "Tage (von/bis)", 3 => "Startdatum", 4 => "Enddatum", 5 => "Anzahl Tage", 9 => "Anzahl Stunden", 6 => "ZA Uhrzeit (von/bis)", 7 => "Fahrtenbuch (von/bis)",8 => "BP Stunden (Anzahl Stunden)");
+    public static $hourday_definition = array(1 => "Uhrzeit (von/bis)", 2 => "Tage (von/bis)", 3 => "Startdatum", 4 => "Enddatum", 5 => "Anzahl Tage", 9 => "Anzahl Stunden", 6 => "ZA Uhrzeit (von/bis)", 7 => "Fahrtenbuch (von/bis)",8 => "BP Stunden (Anzahl Stunden)",10 => "Arbeitstag");
     public static $approval_definition = array(0 => "Nein", 1 => "Ja");
     public static $require_comment_definition = array(0 => "Nein", 1 => "Ja");
     public static $businesstrip_definition = array(0 => "Nein", 1 => "Ja");
diff --git a/application/TimerecordingReport/TimerecordingReportController.php b/application/TimerecordingReport/TimerecordingReportController.php
index 6124eb66c..35fb721df 100644
--- a/application/TimerecordingReport/TimerecordingReportController.php
+++ b/application/TimerecordingReport/TimerecordingReportController.php
@@ -431,6 +431,16 @@ class TimerecordingReportController extends mfBaseController
                 $hours = floor($seconds / 3600);
                 $sum = sprintf("%02d", $hours) . ":" . sprintf("%02d", $minutes);
                 $day = $daysgerm[date("w", $timerecording->start)];
+            } else if ($timerecording->timerecordingCategory->hourday == 10) {
+                $date = date("d.m.Y", $timerecording->start);
+                $datadate = date("Y-m-d", $timerecording->start);
+                $start = "-";
+                $end = "-";
+                $seconds = $timerecording->end - $timerecording->start;
+                $minutes = floor(($seconds % 3600) / 60);
+                $hours = floor($seconds / 3600);
+                $sum = "-" .sprintf("%02d", $hours) . ":" . sprintf("%02d", $minutes);
+                $day = $daysgerm[date("w", $timerecording->start)];
             }
 
             if (($timerecording->timerecordingCategory->approval == 1 && $timerecording->approved == 0 )|| ($timerecording->timerecordingCategory->approval_fibu == 1 && $timerecording->approved == 0)) {