Date Difference Calculator

How many days until a deadline, how old is a contract, how many working days are in a project? Enter two dates for an exact calendar difference, or add a number of days to a date. Public holidays are not included because they differ by country.

0Days
0Weeks
0Years, months, days
0Working days

Add or subtract days

Runs entirely in your browser. Your input and files are not uploaded to any server.

How to use

  1. Choose a start and an end date.
  2. Decide whether to count the end date and which days are the weekend.
  3. Or use the second panel to add or subtract days from a date.

Examples

Notice period

1 March to 31 May → 91 days, or 92 if both dates count.

Working days in Morocco

Weekend set to Saturday–Sunday counts Monday to Friday only.

Privacy

Your files and text stay in your browser while you use this tool, and ads or anonymous visit statistics do not receive them. Only your favorites and recent tools are saved on your device. Privacy policy

Want proof? Check it with your browser’s Network tab: How to check that a tool does not upload your files

Frequently asked questions

How are months counted?

By calendar: from 31 January, one month later is the last day of February. The result shows years, months and days.

Are public holidays excluded?

No. Holidays vary by country and year, so subtract them yourself from the working-day count.

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