Days Between Dates
How many days from one date to another, with weeks, months and years alongside.
Works in your browser. Nothing you type is sent to us.
Business days
Holiday dates are the ones the US Office of Personnel Management publishes; see the FAQ.
Worked out in your browser. Nothing you type is sent to us.
Days Between Dates at a glance
- Price
- Free
- Data sent to us
- None, it runs in your browser
- Sign-up
- Not needed
- Counts
- Days, business days, weeks, months, years
- Holidays
- US federal, 2026 and 2027, from OPM
- Also
- Add or subtract from a date
How to use Days Between Dates
- Choose the datesSet From and To, or press From today. Tick Count the end date too if both days count.
- Choose what to skipLeave weekends ticked for business days, and tick US federal holidays to skip those as well.
- Or add to a dateChoose Add or subtract days, set the start date, the number and the unit, and read the date it lands on.
Pick the two dates and read the number of days between them, with the same span as weeks, as years, months and days, as hours, and as business days without weekends. Tick Count the end date too when both days count, as for a stay or a notice period. Press From today to count down to a date, or swap the dates to count back.
How it works
Days Between Dates is a web page that does its work on your own device. Everything you type or choose is worked out by your browser and never sent to a server, so nothing is stored and there is nothing to delete. There is no account, no sign-up and no limit on how often you use it.
Counting to a date
Press From today, set the date you are counting to, and the days remaining appear. For a countdown that includes today, tick Count the end date too.
Questions
Why does my count differ by one from another site?
Some count both the first and last day, some neither, most the days crossed between them. Tick Count the end date too to match a count that includes both ends.
Other shortcuts
Date Difference Calculator · Business Days Calculator
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