Date calculator
Count days between dates, or add and subtract time.
About Date calculator
Work with calendar dates rather than clock times. Find the gap between dates or calculate the date reached after an offset, while paying attention to how endpoints and weekdays are counted.
Steps, example, and limitations
How to use it
- Choose a date difference or an add/subtract operation.
- Enter the calendar dates and the available counting options.
- Calculate and review the result.
Example
Input
From 2024-02-28 to 2024-03-01
Result
2 calendar days apart; 2024 includes February 29.
Things to know
- Weekday calculations exclude weekends, not a country-specific public-holiday calendar.
- Calendar-day arithmetic is not the same as measuring elapsed hours across timezones or daylight-saving changes.