Add / Subtract Days From a Date
Pick a date, choose to add or subtract days, weeks, months or years, and see the resulting date and weekday. Everything runs in your browser.
🔒 Calculated entirely in your browser — nothing is sent anywhere.
🔒 Tout se passe dans ton navigateur — rien n'est envoyé ni stocké.
Questions fréquentes
- How do I add days to a date?
- Pick your start date, choose 'Add', enter the amount and the unit (days, weeks, months or years), and the resulting date and weekday appear instantly.
- Can I subtract time too?
- Yes. Switch to 'Subtract' to go backwards from the start date by any amount.
- Is anything uploaded?
- No. The calculation runs entirely in your browser.