Date & Time Calculators
Date maths without the mental arithmetic: count down to an event, add or subtract days, weeks and months, and work out exact ages. Every result explains how it was calculated.
4 tools · free · no sign-up
- 01Chronological Age CalculatorExact age in years;months;days for test scoring, with the 30-day borrow method, a calendar check and corrected age.
- 02Countdown to a DateCount down to any date and time, live to the second, with weeks, days, hours and minutes and a link you can share.
- 03Days From Today CalculatorAdd or subtract days, weeks, months, years or hours from today or any date, with the weekday, ISO week and day of year.
- 04Days Until ChristmasA live Christmas countdown with the days, sleeps, weeks, Fridays, weekends and working days left until December 25.