Tool capabilities
- Input
- Options
- Output
- Options
How to use Date Difference
Count calendar days between two dates. This date difference works directly in your browser and is free to use without an account.
- Choose the date, time zone or calendar values in the fields.
- Read the result and adjust the input to compare another date.
- Copy the value into your own document or code.
Date Difference · Example
Input
Start: 2024-02-28 End: 2024-03-01
Output
2 calendar days
2024 is a leap year; February 29 is included.
Usage notes
Inputs and results are processed on this device. Tool content is not sent to a processing server.
Calendar arithmetic uses UTC dates to avoid daylight-saving shifts. Live world clocks use the device clock and the browser time-zone database.