Date Calculators
Free online date calculators to calculate date differences, add or subtract dates, calculate ages, countdowns, weeks, months, years, and more.
- Date Difference CalculatorCalculate the exact difference between two dates in years, months, weeks, days, hours, minutes, and seconds. Perfect for finding the number of days between dates.
- Add Days CalculatorCalculate a future date by adding days, weeks, months, or years to any date. Find dates from today or any custom date quickly and accurately.
- Subtract Days CalculatorCalculate a past date by subtracting days, weeks, months, or years from any date. Find dates ago from today or any custom date instantly.
- Age CalculatorCalculate your exact age from your birth date in years, months, days, and total days lived. Find your age on any date instantly.
- Countdown CalculatorCount down to any future date with days, hours, minutes, and seconds remaining. Perfect for events, holidays, birthdays, and deadlines.
- 5 Days From TodayFind the exact calendar date 5 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 7 Days From TodayFind the exact calendar date 7 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 10 Days From TodayFind the exact calendar date 10 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 14 Days From TodayFind the exact calendar date 14 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 20 Days From TodayFind the exact calendar date 20 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 25 Days From TodayFind the exact calendar date 25 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 28 Days From TodayFind the exact calendar date 28 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 30 Days From TodayFind the exact calendar date 30 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 31 Days From TodayFind the exact calendar date 31 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 35 Days From TodayFind the exact calendar date 35 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 40 Days From TodayFind the exact calendar date 40 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 45 Days From TodayFind the exact calendar date 45 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 50 Days From TodayFind the exact calendar date 50 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 60 Days From TodayFind the exact calendar date 60 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 90 Days From TodayFind the exact calendar date 90 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 100 Days From TodayFind the exact calendar date 100 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 180 Days From TodayFind the exact calendar date 180 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 365 Days From TodayFind the exact calendar date 365 days from today with this free date calculator. Get instant, accurate results with no sign-up required.
- 100th Day From TodayFind the calendar date of the 100th day from today with this free milestone calculator. Get instant, accurate results with no sign-up required.
- 6 Months From TodayFind the exact calendar date six months from today with accurate month-length rules. Free, instant results with no sign-up required.
- 9 Months From TodayFind the exact calendar date nine months from today with accurate month-length rules. Free, instant results with no sign-up required.
- 7 Days AgoFind the exact calendar date from 7 days ago with this free date calculator. Get instant, accurate results with no sign-up required.
- 14 Days AgoFind the exact calendar date from 14 days ago with this free date calculator. Get instant, accurate results with no sign-up required.
- 30 Days AgoFind the exact calendar date from 30 days ago with this free date calculator. Get instant, accurate results with no sign-up required.
- 90 Days AgoFind the exact calendar date from 90 days ago with this free date calculator. Get instant, accurate results with no sign-up required.
- 365 Days AgoFind the exact calendar date from 365 days ago with this free date calculator. Get instant, accurate results with no sign-up required.
- 6 Months AgoFind the exact calendar date from six months ago with accurate month-length rules. Free, instant results with no sign-up required.
- Days Until New Year'sFind how many days remain until the next New Year's Day. This evergreen countdown updates automatically every year with no manual changes required.
- Days Left in the YearSee how many days remain until December 31 of the current calendar year. The countdown always uses today's year and never goes out of date.
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Frequently asked questions
Date calculators help you find differences between dates, add or subtract days, calculate age, and perform other calendar-based operations.
Date inputs are treated as calendar dates. Time-specific calculators use UTC-based date handling unless otherwise noted.