Date difference calculator

Count calendar days with an explicit start-and-end convention.

Browser-based processing · No account needed · Inputs are not automatically saved
Date difference calculator

Ready when you are. Try the sample or use your own input.

How to use this tool

Choose two dates. Elapsed days is the difference between them; inclusive days counts both the start and end dates.

A quick example

1 to 31 January is 30 elapsed days or 31 inclusive days.

Supported formats & limitations

Calendar dates only, with no time zone or time of day. End date must be on or after start date. Leap days are included.

Does this tool upload my input?

No. Tool processing happens in your browser. Your input and result are not automatically saved. The host may still receive ordinary page access logs.Read about privacy.

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