Date Difference

Find the number of days between two calendar dates.

● Runs locally in your browser. No file or text uploads.

Count through a leap day

From 2024-02-28 to 2024-03-01 is 2 days. Reversing those dates gives −2 days.

When to use it

Use for calendar intervals. If you need an inclusive count of both endpoints, add one to a nonnegative result.

About this tool

Find the number of days between two calendar dates. Use it without creating an account. Results are available immediately, and inputs are not saved between visits.

Does this send my input to a server?

Inputs are processed locally. Optional Analytics sends page statistics only after consent; tool inputs and files are excluded.