Date Calculator
Add or subtract from a date
Results
| Result date | — |
|---|---|
| Full date | — |
| Day of week | — |
How to use this Date Calculator
- Pick a start date.
- Choose whether to add or subtract, enter an amount, and select days, weeks, months, or years.
- Calculate to see the new date and weekday name.
FAQ
How are months handled? Calendar months are applied directly—adding one month to January 31 moves to February 28 or 29, following the browser calendar rules.