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Calculators/Date & time

Date & time calculators

Ages, durations, working days, deadlines and timesheets, calculated on real calendar arithmetic.

Age calculatorExact age in years, months and days, plus the next birthday.Days between datesElapsed time between two dates, with and without weekends.Add or subtract from a dateThe date a set number of days, weeks or months away.Working daysCounts weekdays between two dates, less any holidays.Time duration arithmeticAdds and subtracts hours, minutes and seconds.Timesheet & payHours worked in a shift and what they are worth.Day of the week & week numberWhich weekday a date falls on, plus ISO week and day of year.Countdown to a dateTime remaining until a deadline or event.Unix timestamp converterEpoch seconds to a readable date and back.Months from todayThe date a set number of months before or after any starting date.Weeks CalculatorThe date a chosen number of weeks from today or before today, from any starting date.Days until New YearA countdown to the next 1 January, worked out from any starting date.Fortnights Remaining CalculatorHow many fortnights (14-day periods) are left between any two dates, worked out live from today.Days from today calculatorThe date a chosen number of days from now, or before now.How old am IYour exact age in years, months and days, worked out from your date of birth.Time Until a Clock TimeTime remaining until a target time today, such as 3:15 pm, counted from the current time.Weeks left in the yearHow many weeks remain until 31 December, worked out from today or any reference date you choose.