Date and time tool
Count days clearly
between any dates.
Compare two dates or calculate a date after adding and subtracting days. Calendar arithmetic runs in this browser, with weekday rules that are stated instead of assumed.
Days between dates
The result is elapsed time: end date minus start date.
Add or subtract days
Use calendar days or skip Saturdays and Sundays.
Frequently asked questions
Does the calculator include the start date?
The between-dates result is elapsed time: the end date minus the start date. For add or subtract, the start date is day zero.
Are public holidays removed?
No. Weekdays mean Monday through Friday only. Public holidays are not automatically removed because calendars differ by country, state, employer, and school.
Are my dates uploaded?
Date values are processed in this browser page and are not uploaded or stored by the tool.
How do I count days or weekdays between dates?
Enter start and end dates to calculate elapsed days. Weekdays count Monday through Friday; public holidays are not automatically excluded.
Worked example
Distinguish elapsed days, such as nights between arrival and departure, from an inclusive event duration. This tool reports elapsed days, not an inclusive count of both endpoints.
Limits to know
The tool does not apply organization-specific deadlines or holiday calendars. Verify the relevant deadline rules separately.