diff --git a/src/app/utils/time.ts b/src/app/utils/time.ts
index 3ee6720c..879938c7 100644
--- a/src/app/utils/time.ts
+++ b/src/app/utils/time.ts
@@ -9,12 +9,26 @@ export const today = (ts: number): boolean => dayjs(ts).isToday();
 
 export const yesterday = (ts: number): boolean => dayjs(ts).isYesterday();
 
+export const timeHour = (ts: number): string => dayjs(ts).format('hh');
+export const timeMinute = (ts: number): string => dayjs(ts).format('mm');
+export const timeAmPm = (ts: number): string => dayjs(ts).format('A');
+export const timeDay = (ts: number): string => dayjs(ts).format('D');
+export const timeMon = (ts: number): string => dayjs(ts).format('MMM');
+export const timeMonth = (ts: number): string => dayjs(ts).format('MMMM');
+export const timeYear = (ts: number): string => dayjs(ts).format('YYYY');
+
 export const timeHourMinute = (ts: number): string => dayjs(ts).format('hh:mm A');
 
 export const timeDayMonYear = (ts: number): string => dayjs(ts).format('D MMM YYYY');
 
 export const timeDayMonthYear = (ts: number): string => dayjs(ts).format('D MMMM YYYY');
 
+export const daysInMonth = (month: number, year: number): number =>
+  dayjs(`${year}-${month}-1'`).daysInMonth();
+
+export const dateFor = (year: number, month: number, day: number): number =>
+  dayjs(`${year}-${month}-${day}`).valueOf();
+
 export const inSameDay = (ts1: number, ts2: number): boolean => {
   const dt1 = new Date(ts1);
   const dt2 = new Date(ts2);
@@ -33,3 +47,37 @@ export const minuteDifference = (ts1: number, ts2: number): number => {
   diff /= 60;
   return Math.abs(Math.round(diff));
 };
+
+export const hour24to12 = (hour24: number): number => {
+  const h = hour24 % 12;
+
+  if (h === 0) return 12;
+  return h;
+};
+
+export const hour12to24 = (hour: number, pm: boolean): number => {
+  if (hour === 12) {
+    return pm ? 12 : 0;
+  }
+  return pm ? hour + 12 : hour;
+};
+
+export const secondsToMs = (seconds: number) => seconds * 1000;
+
+export const minutesToMs = (minutes: number) => minutes * secondsToMs(60);
+
+export const hoursToMs = (hour: number) => hour * minutesToMs(60);
+
+export const daysToMs = (days: number) => days * hoursToMs(24);
+
+export const getToday = () => {
+  const nowTs = Date.now();
+  const date = dayjs(nowTs);
+  return dateFor(date.year(), date.month() + 1, date.date());
+};
+
+export const getYesterday = () => {
+  const nowTs = Date.now() - daysToMs(1);
+  const date = dayjs(nowTs);
+  return dateFor(date.year(), date.month() + 1, date.date());
+};