diff --git a/src/time-and-attendance/domains/services/holiday.service.ts b/src/time-and-attendance/domains/services/holiday.service.ts
index 755df07..8e0f0fd 100644
--- a/src/time-and-attendance/domains/services/holiday.service.ts
+++ b/src/time-and-attendance/domains/services/holiday.service.ts
@@ -30,7 +30,7 @@ export class HolidayService {
             const window_start = new Date(holiday_week_start.getTime() - 4 * MS_PER_WEEK);
             const window_end = new Date(holiday_week_start.getTime() - 1);
 
-            const valid_codes = ['G1', 'G43', 'G56', 'G104', 'G105', 'G700'];
+            const valid_codes = ['G1', 'G43', 'G56', 'G104', 'G105', 'G305', 'G700'];
             const shifts = await this.prisma.shifts.findMany({
                 where: {
                     timesheet: { employee_id: employee_id },
@@ -67,7 +67,7 @@ export class HolidayService {
     async calculateHolidayPay(email: string, holiday_date: Date, modifier: number): Promise<Result<number, string>> {
         const average_daily_hours = await this.computeHoursPrevious4WeeksByEmail(email, holiday_date);
         if (!average_daily_hours.success) return { success: false, error: average_daily_hours.error };
-        
+
         const daily_rate = (Math.min(average_daily_hours.data, 8)) * modifier;
         return { success: true, data: daily_rate };
     }
diff --git a/src/time-and-attendance/domains/services/overtime.service.ts b/src/time-and-attendance/domains/services/overtime.service.ts
index ecfe3d2..45d1da7 100644
--- a/src/time-and-attendance/domains/services/overtime.service.ts
+++ b/src/time-and-attendance/domains/services/overtime.service.ts
@@ -27,7 +27,7 @@ type WeekOvertimeSummary = {
 @Injectable()
 export class OvertimeService {
 
-    private INCLUDED_TYPES = ['EMERGENCY', 'EVENING', 'OVERTIME', 'REGULAR'] as const; // included types for weekly overtime calculation
+    private INCLUDED_TYPES = ['EMERGENCY', 'EVENING', 'OVERTIME', 'REGULAR', 'HOLIDAY'] as const; // included types for weekly overtime calculation
 
     constructor(private prisma: PrismaService) { }