Online Day Counter
Counts precisely how many days sit between two dates, with a toggle to include both ends when you need the inclusive count. It also shows the gap in weeks, working from local calendar dates in your browser.
- 100% free
- Private & safe
- Runs in your browser
Read our complete guide: How to Calculate Business Working Days Between Two Dates
Why use Days Between Dates?
Days Between Dates works out the answer precisely from local calendar dates, so there are no timezone or daylight-saving surprises.
- Runs instantly in your browser — nothing to install, nothing uploaded.
- Completely free, with no account, no watermarks and no usage limits.
- Days = |end − start| in whole local days (optionally +1 when inclusive)
- Choose two dates.
- Works on any device — desktop, tablet and phone — and is fully keyboard accessible.
How to use Days Between Dates
- Choose two dates.
- See the number of days between them.
- Toggle whether to count both the start and end dates.
- Read the span in weeks as well.
Examples
- Counting the days until a holiday.
- How many days a subscription has run.
Supported formats & limits
- Days = |end − start| in whole local days (optionally +1 when inclusive)
Limitations
- Counts whole days only.
- Inclusive mode adds one day to count both endpoints.
Frequently asked questions
What does 'include both dates' do?
It counts the start and end dates themselves, adding one to the plain difference.
Does order matter?
No — the count is the absolute difference.
Is timezone handled?
Yes — local calendar dates are used, avoiding timezone shifts.
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