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Days Between Dates Calculator

Count the days, weeks, months and years between two dates, with weekdays and an option to include the end date.

  1. Enter your numbers
  2. Results update as you type
  3. Copy the answer or share the link
Runs in your browser. Your data and files never leave your device.

About the Days Between Dates Calculator

Find the exact number of days between two dates — how many days until a holiday, since an event, or the length of a project — along with the difference in weeks, in years-months-days and in weekdays.

How does the Days Between Dates Calculator work?

By default the start date is counted and the end date is not (like counting nights). Tick “include the end date” to count both, which adds one day.

Frequently asked questions

How many days until Christmas?

Set the start date to today and the end date to 25 December.

Does it count weekends?

The main figure counts every calendar day. The weekday count excludes Saturdays and Sundays; use the Working Days Calculator to exclude public holidays too.

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