Time & Date
Ages, durations, dates and hours worked
24y 3mDate & TimeAge CalculatorFind your exact age in years, months and days, plus your next birthday.196 dDate & TimeDate CalculatorCount the days between two dates, or add and subtract days, weeks, months, years.7.5 hDate & TimeHours CalculatorHours between two times, breaks deducted, in h:mm and decimal, with optional pay.05:00Date & TimeOnline TimerFree online countdown timer. Set a timer for 5 minutes, 10 minutes or any duration, with a progress ring, pause and a loud end alarm.
Date math is where spreadsheets quietly betray you: months have different lengths, years leap, shifts cross midnight. These calculators handle those edge cases explicitly. Compute an exact age, count the days between two dates or total a time card with breaks, and see the method under each result.