Date and time calculators
Ages, date differences and working days, counted exactly.
19 calculators · every one shows its working
- Age CalculatorYour exact age in years, months and days, total days lived, and the countdown to your next birthday.
- Date Difference CalculatorDays, weeks, months and working days between two dates.
- Time Zone ConverterWhat time it is in Pakistan, the Gulf, India, the UK, the US and more, with daylight saving applied.
- Hours and Time CalculatorHours worked between two times, with breaks and night shifts, in hours and minutes or decimal hours.
- Add Days to a DateThe date a number of days, weeks, months or years before or after any date, with the weekday.
- Day of the Week CalculatorThe weekday of any date, with its ISO week number, day of the year and leap-year check.
- Countdown CalculatorDays, weeks and weekdays until an event, or how long ago it was.
- Working Days CalculatorThe date a number of working days away, skipping weekends and holidays, for any working week.
- Timesheet CalculatorAdd up a week of start and finish times, with breaks, overtime and pay.
- 12 and 24-Hour Time ConverterConvert between 12-hour am/pm time, 24-hour time and military time.
- Date and Time Duration CalculatorThe time between two dates and times in days, hours and minutes, or total hours, minutes and seconds.
- Unix Timestamp ConverterConvert a Unix timestamp to a date and time in your time zone, or a date to a Unix timestamp.
- Sunrise and Sunset TimesSunrise, sunset, solar noon and hours of daylight for your city on any date.
- Moon Phase CalculatorThe moon's phase and how much of it is lit on any date, with the next full and new moon.
- Weekday CounterHow many Mondays, Fridays or any weekday fall between two dates.
- Dog and Cat Age CalculatorYour dog's or cat's age in human years, allowing for the dog's size.
- Age Difference CalculatorThe exact age gap between two people in years, months and days.
- Retirement Date CalculatorThe date you retire at your retirement age, and the years, days and working days left.
- Shift Rota CalculatorWhich days you work on a repeating shift pattern such as 4 on 4 off, with a month's rota.