diff --git a/src/time-and-attendance/utils/date-time.utils.ts b/src/time-and-attendance/utils/date-time.utils.ts
index cfba4e8..488bb7a 100644
--- a/src/time-and-attendance/utils/date-time.utils.ts
+++ b/src/time-and-attendance/utils/date-time.utils.ts
@@ -3,32 +3,32 @@ import { ANCHOR_ISO, MS_PER_DAY, PERIODS_PER_YEAR, PERIOD_DAYS } from "src/time-
 
 //ensures the week starts from sunday
 export function weekStartSunday(date_local: Date): Date {
-  const start = new Date(Date.UTC(date_local.getFullYear(), date_local.getMonth(), date_local.getDate()));
-  const dow = start.getDay(); // 0 = dimanche
-  start.setDate(start.getDate() - dow);
-  start.setHours(0, 0, 0, 0);
-  return start;
+    const start = new Date(Date.UTC(date_local.getFullYear(), date_local.getMonth(), date_local.getDate()));
+    const dow = start.getDay(); // 0 = dimanche
+    start.setDate(start.getDate() - dow);
+    start.setHours(0, 0, 0, 0);
+    return start;
 }
 
 //converts string to HHmm format
 export const toStringFromHHmm = (date: Date): string => {
-  const hh = date.getUTCHours().toString().padStart(2, '0');
-  const mm = date.getUTCMinutes().toString().padStart(2, '0');
-  return `${hh}:${mm}`;
+    const hh = date.getUTCHours().toString().padStart(2, '0');
+    const mm = date.getUTCMinutes().toString().padStart(2, '0');
+    return `${hh}:${mm}`;
 }
 
 //converts string to Date format
-export const toStringFromDate = (date: Date) => 
-  date.toISOString().slice(0,10);
+export const toStringFromDate = (date: Date) =>
+    date.toISOString().slice(0, 10);
 
 
 
 //converts HHmm format to string
 export const toHHmmFromString = (hhmm: string): Date => {
-  const [hh, mm] = hhmm.split(':').map(Number);
-  const date = new Date('1970-01-01T00:00:00.000Z');
-  date.setUTCHours(hh, mm, 0, 0);
-  return new Date(date);
+    const [hh, mm] = hhmm.split(':').map(Number);
+    const date = new Date('1970-01-01T00:00:00.000Z');
+    date.setUTCHours(hh, mm, 0, 0);
+    return new Date(date);
 }
 
 //converts string to HHmm format
@@ -40,52 +40,52 @@ export const toHHmmFromDate = (input: Date | string): string => {
 }
 
 //converts Date format to string
-export const  toDateFromString = (ymd: string | Date): Date => {
-  return new Date(`${ymd}`); 
+export const toDateFromString = (ymd: string | Date): Date => {
+    return new Date(ymd);
 }
 
 export const toUTCDateFromString = (iso: string | Date) => {
-  const d = typeof iso === 'string' ? new Date(iso + 'T00:00:00.000Z') : iso;
-  return new Date(Date.UTC(d.getUTCFullYear(), d.getUTCMonth(), d.getUTCDate()));
+    const d = typeof iso === 'string' ? new Date(iso + 'T00:00:00.000Z') : iso;
+    return new Date(Date.UTC(d.getUTCFullYear(), d.getUTCMonth(), d.getUTCDate()));
 };
 
 export const sevenDaysFrom = (date: Date | string): Date[] => {
-    return Array.from({length: 7 }, (_,i) => {
+    return Array.from({ length: 7 }, (_, i) => {
         const d = new Date(date);
-        d.setUTCDate(d.getUTCDate() + i );
+        d.setUTCDate(d.getUTCDate() + i);
         return d;
     });
 }
 
 export function payYearOfDate(date: string | Date, anchorISO = ANCHOR_ISO): number {
-  const ANCHOR = toUTCDateFromString(anchorISO);
-  const d = toUTCDateFromString(date);
-  const days = Math.floor((+d - +ANCHOR) / MS_PER_DAY);
-  const cycles = Math.floor(days / (PERIODS_PER_YEAR * PERIOD_DAYS));
-  return ANCHOR.getUTCFullYear() + 1 + cycles;
+    const ANCHOR = toUTCDateFromString(anchorISO);
+    const d = toUTCDateFromString(date);
+    const days = Math.floor((+d - +ANCHOR) / MS_PER_DAY);
+    const cycles = Math.floor(days / (PERIODS_PER_YEAR * PERIOD_DAYS));
+    return ANCHOR.getUTCFullYear() + 1 + cycles;
 }
 //compute labels for periods
 export function computePeriod(pay_year: number, period_no: number, anchorISO = ANCHOR_ISO) {
-  const ANCHOR = toUTCDateFromString(anchorISO);
-  const cycles = pay_year - (ANCHOR.getUTCFullYear() + 1);
-  const offsetPeriods = cycles * PERIODS_PER_YEAR + (period_no - 1);
-  const start = new Date(+ANCHOR + offsetPeriods * PERIOD_DAYS * MS_PER_DAY);
-  const end = new Date(+start + (PERIOD_DAYS - 1) * MS_PER_DAY);
-  const pay = new Date(end.getTime() + 6 * MS_PER_DAY);
-  return {
-    period_no: period_no,
-    pay_year: pay_year,
-    payday: toStringFromDate(pay),
-    period_start: toStringFromDate(start),
-    period_end: toStringFromDate(end),
-    label: `${toStringFromDate(start)}.${toStringFromDate(end)}`,
-    start, end, 
-  };
+    const ANCHOR = toUTCDateFromString(anchorISO);
+    const cycles = pay_year - (ANCHOR.getUTCFullYear() + 1);
+    const offsetPeriods = cycles * PERIODS_PER_YEAR + (period_no - 1);
+    const start = new Date(+ANCHOR + offsetPeriods * PERIOD_DAYS * MS_PER_DAY);
+    const end = new Date(+start + (PERIOD_DAYS - 1) * MS_PER_DAY);
+    const pay = new Date(end.getTime() + 6 * MS_PER_DAY);
+    return {
+        period_no: period_no,
+        pay_year: pay_year,
+        payday: toStringFromDate(pay),
+        period_start: toStringFromDate(start),
+        period_end: toStringFromDate(end),
+        label: `${toStringFromDate(start)}.${toStringFromDate(end)}`,
+        start, end,
+    };
 }
 
 //list of all 26 periods for a full year
 export function listPayYear(pay_year: number, anchorISO = ANCHOR_ISO) {
-  return Array.from({ length: PERIODS_PER_YEAR }, (_, i) => computePeriod(pay_year, i + 1, anchorISO));
+    return Array.from({ length: PERIODS_PER_YEAR }, (_, i) => computePeriod(pay_year, i + 1, anchorISO));
 }
 
 export const overlaps = (a: { start: Date; end: Date }, b: { start: Date; end: Date }) =>