diff --git a/src/time-and-attendance/time-tracker/shifts/services/shifts-upsert.service.ts b/src/time-and-attendance/time-tracker/shifts/services/shifts-upsert.service.ts
index f2c5bd0..52884c7 100644
--- a/src/time-and-attendance/time-tracker/shifts/services/shifts-upsert.service.ts
+++ b/src/time-and-attendance/time-tracker/shifts/services/shifts-upsert.service.ts
@@ -187,8 +187,23 @@ export class ShiftsUpsertService {
                     select: shift_select,
                 });
 
-                existing.push({ start_time: row.start_time, end_time: row.end_time });
-                existing_map.set(map_key, existing);
+                const normalizeHHmm = (value: Date) => toHHmmFromString(toStringFromHHmm(value));
+
+                for (const { timesheet_id, day, key } of timesheet_keys) {
+                    const day_date = new Date(day);
+                    existing.push({ 
+                        start_time: normalizeHHmm(row.start_time), 
+                        end_time: normalizeHHmm(row.end_time) 
+                    });
+                    existing_map.set(
+                        key, 
+                        existing.map(row => ({
+                            start_time: normalizeHHmm(row.start_time),
+                            end_time: normalizeHHmm(row.end_time),
+                        })),
+                    );
+                }
+
 
                 const {type: bank_type} = await this.typeResolver.findTypeByBankCodeId(row.bank_code_id);
                 const summary = await this.overtime.getWeekOvertimeSummary(timesheet_id, normed.date, tx);