Date Calculator

Add or subtract years, months, weeks and days from any date.

Start dateOperationYearsMonthsWeeksDays

Frequently asked questions

How are months added?

Months are applied first, keeping the same day where possible, then weeks and days.

Calculate your exact age in years, months and days, plus the days until your next birthday.

Find the exact difference between two dates in years, months and days.

Measure the exact duration between two dates and times.

Count working days between two dates, excluding weekends and holidays.

Count the exact number of days between any two dates.

See how many days remain until a future date such as a holiday or deadline.