Date Calculator
Work out how long it is between two dates, how many weekdays that includes, or what date it will be after adding time.
Use the tool
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How to use it
- Choose Days between two dates or Add or subtract time.
- Enter the dates or the amount of time.
- Read the result below.
Tips for best results
- Weekdays count Monday to Friday and do not remove public holidays.
- Adding months moves to the same day number in the new month where possible.
Frequently asked questions
Is the end date counted?
The difference counts the days from the start date up to, but not including, the end date.
Does it handle leap years?
Yes. It uses the real calendar.