➕Add/Subtract Days to Date
Find a date N days before/after.
About the Add/Subtract Days to Date
Add or subtract any number of days from a date to find the resulting date and weekday. Useful for deadlines, notice periods and planning. Free online date add/subtract calculator.
How to use the Add/Subtract Days to Date
- 1Pick your date(s) or time(s) in the Add/Subtract Days to Date above.
- 2Adjust any options for your calculation.
- 3Read the result instantly.
- 4Runs entirely in your browser.
Why use this tool?
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Private by design
The Add/Subtract Days to Date runs entirely in your browser — nothing you enter is uploaded to a server.
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Free, no signup
Use it as much as you like. There's no account, no paywall and no watermark.
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Fast & instant
Results appear the moment you type or click — no waiting, no page reloads.
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Works anywhere
Any device or browser, even offline once the page has loaded.
Frequently asked questions
Can I subtract days too?＋
Yes. Toggle between add and subtract to find a date before or after your start date, along with the weekday.