Count the days between two dates, or add and subtract time from a date.
About the Date Calculator
This free date calculator does two things: it counts the days between two dates, and it adds or subtracts days, weeks, months or years from a date to find a new one. Handy for deadlines, due dates, anniversaries and planning.
Results update as you choose your dates, and everything runs in your browser; nothing is uploaded.
Two ways to use it
- Days between dates — pick a start and end date to get the number of days (and weeks)
- Add / subtract — pick a date and add or subtract an amount to get a new date
Features
- Days between any two dates
- Add or subtract days, weeks, months or years
- Clear result plus a weeks breakdown
- Instant and 100% in your browser — nothing uploaded
How to use it
- Pick a mode — days between, or add/subtract
- Choose the date(s) (and the amount and unit if adding)
- Read the result — the day count, or the new date
