Move forward or back by calendar days
Enter a positive day count to move forward. Enter a negative count to move back. The calculation crosses month and year boundaries and includes weekends.
The starting date is the reference point, not day one. If you need to count only working days, use the business date calculator instead.
How to use this tool
- Choose the reference date.
- Enter the number of days to add, or a negative number to subtract.
- Read the resulting date.
Example
Adding 30 calendar days to 1 April gives 1 May. Adding zero leaves the starting date unchanged.
Common questions
Can I calculate days from today?
Yes. The input starts with today's date on your device. Change it when you need another reference date.