diff --git a/ext/admin/reports/reportClasses/OvertimeReport.php b/ext/admin/reports/reportClasses/OvertimeReport.php
new file mode 100644
index 00000000..c4cddd30
--- /dev/null
+++ b/ext/admin/reports/reportClasses/OvertimeReport.php
@@ -0,0 +1,100 @@
+<?php
+if(!interface_exists('ReportBuilderInterface')){
+    include_once APP_BASE_PATH.'admin/reports/reportClasses/ReportBuilderInterface.php';
+}
+
+if(!class_exists('AttendanceAdminManager')){
+    include_once APP_BASE_PATH.'admin/attendance/api/AttendanceAdminManager.php';
+}
+class OvertimeReport implements ReportBuilderInterface{
+    public function getData($report,$request){
+
+        $employeeList = array();
+        if(!empty($request['employee'])){
+            $employeeList = json_decode($request['employee'],true);
+        }
+
+        if(in_array("NULL", $employeeList) ){
+            $employeeList = array();
+        }
+
+        $sevenDateBefore = date('Y-m-d', strtotime('-7 days',strtotime($request['date_start'])));
+
+        if(!empty($employeeList)){
+            $query = "employee in (".implode(",", $employeeList).") and in_time >= ? and out_time <= ? order by in_time;";
+            $params = array(
+                $sevenDateBefore." 00:00:00",
+                $request['date_end']." 23:59:59",
+            );
+        }else{
+            $query = "in_time >= ? and out_time <= ? order by in_time;";
+            $params = array(
+                $sevenDateBefore." 00:00:00",
+                $request['date_end']." 23:59:59",
+            );
+        }
+
+        $at = new Attendance();
+        $attendance = $at->Find($query, $params);
+
+
+        //Group records by employee
+        $employeeAttendance = array();
+        foreach($attendance as $entry){
+            if(!isset($employeeAttendance[$entry->employee])){
+                $employeeAttendance[$entry->employee] = array();
+            }
+
+            $employeeAttendance[$entry->employee][] = $entry;
+
+        }
+
+        $atCalClassName = SettingsManager::getInstance()->getSetting('Attendance: Overtime Calculation Class');
+
+        $atCal = new $atCalClassName();
+
+        $reportData = array();
+        if(!$this->isAggregated()) {
+            $reportData[] = array("Date", "Employee ID", "Employee", "Time in Office", "Regular Time", "Overtime", "Double Time");
+        }else{
+            $reportData[] = array("Employee ID", "Employee", "Time in Office", "Regular Time", "Overtime", "Double Time");
+        }
+
+        foreach($employeeAttendance as $employeeId => $atData){
+
+            $employee = new Employee();
+            $employee->Load("id = ?",array($employeeId));
+            $atSum = $atCal->getData($atData, $request['date_start'], $this->isAggregated());
+            if(!$this->isAggregated()){
+                foreach($atSum as $date=>$counts){
+                    $reportData[] = array(
+                        $date,
+                        $employee->employee_id,
+                        $employee->first_name." ".$employee->last_name,
+                        $counts['t'],
+                        $counts['r'],
+                        $counts['o'],
+                        $counts['d']
+                    );
+                }
+            }else{
+                $reportData[] = array(
+                    $employee->employee_id,
+                    $employee->first_name." ".$employee->last_name,
+                    $atSum['t'],
+                    $atSum['r'],
+                    $atSum['o'],
+                    $atSum['d']
+                );
+            }
+
+
+        }
+
+        return $reportData;
+    }
+
+    protected function isAggregated(){
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/ext/admin/reports/reportClasses/OvertimeSummaryReport.php b/ext/admin/reports/reportClasses/OvertimeSummaryReport.php
new file mode 100644
index 00000000..b991353a
--- /dev/null
+++ b/ext/admin/reports/reportClasses/OvertimeSummaryReport.php
@@ -0,0 +1,10 @@
+<?php
+if(!interface_exists('OvertimeReport')){
+    include_once APP_BASE_PATH.'admin/reports/reportClasses/OvertimeReport.php';
+}
+
+class OvertimeSummaryReport extends OvertimeReport{
+    protected function isAggregated(){
+        return true;
+    }
+}
\ No newline at end of file