Date Difference Calculator
Count calendar days between two dates, without timezone surprises.
Processed on your deviceFree · No account needed
How to use it
- Choose the start and end dates.
- Optionally include both dates, then calculate.
From 28 February 2024 to 1 March 2024 is 2 days, or 3 with both dates included.
Details & limits
Years 0001–9999. Absolute calendar-day difference calculated in UTC. Include both dates adds one day.
Do daylight saving time and timezone affect the result?
No. The tool compares calendar dates in UTC and returns an absolute distance. Default counting excludes one endpoint; selecting “Include both dates” adds one day. Business days and holidays are not calculated.