Add/Subtract Days to a Date
Adds or subtracts a number of days from a starting date.
Lilu Baba's Add/Subtract Days tool calculates a resulting date instantly, whether you're planning ahead or counting backward.
How to use this calculator
- Enter your starting date.
- Enter the number of days to add (use a negative number to subtract).
- The resulting date updates instantly.
Resulting Date
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FAQ
Add/Subtract Days to a Date — frequently asked questions
Enter a negative number in the days field, e.g. -14 to go back two weeks.
Yes — standard calendar date arithmetic automatically accounts for leap years and varying month lengths.