Date Difference Calculator
Find elapsed days, calendar years/months/days and the weekday count between dates.
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How to use this tool
- Choose the start and end calendar dates.
- Read the signed interval; weekdays exclude the end date.
Things to know
- Calendar calculations use UTC with no clock-time effects. Weekdays mean Monday to Friday; public holidays are not removed.
- Calendar dates in years 0001-9999 and at most 366,000 elapsed days. Weekdays are counted by complete weeks plus at most six remaining days.
- Use no more than 200,000 characters across the input and settings.
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