Everyday Calculators
Date difference calculator
Count calendar days between two Gregorian dates without time zone offsets.
JavaScript is required to run the interactive tool. Open the tool separately if it does not load in the frame.
How to use it
Choose the start and end dates. Select elapsed days, or include both dates in the count.
Example
From 2024-02-28 to 2024-03-01, 2 calendar days elapse. Including both dates gives 3 days.
Frequently asked question
Does daylight saving change the answer?
No. The calculation uses Gregorian calendar dates, not elapsed hours.
Limits and privacy
Dates must be valid ISO calendar dates from year 0001 to 9999, and end cannot precede start. Time of day and daylight-saving changes are not involved.
Tool input is processed in a separate browser environment without advertising or analytics scripts. This page does not upload it to the service.