Days Between Dates Calculator
Count days, weeks, months and working days between two dates, or add days to a date.
Runs in your browser. Your text and files never leave your device.
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- Weeks
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- Months and days
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- Working days (Mon-Fri)
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How to count days between dates
- Pick a start and an end date. The order doesn't matter.
- Tick "Include the end date" if both days should count.
- Read the total in days, weeks, months and working days.
Want your exact age? Use the age calculator.
Frequently Asked Questions
Does it count the start and end date?
By default it counts the days from the start date up to, but not including, the end date: 1 March to 2 March is 1 day. Tick "Include the end date" to count both days, which is how leave and rental periods are often counted.
What are working days?
Monday to Friday. Public holidays are not removed, because they differ by country; subtract them yourself. In countries with a Friday-Saturday weekend, adjust accordingly.
How are months counted?
Whole calendar months first, then leftover days. From 31 January, one month later is the last day of February.
Can I add days to a date?
Yes. Use "Add or subtract days" to find a deadline, due date or notice period end, in calendar days or working days.