Date & time
Date Calculator — Add or Subtract Days
What date is 30, 60 or 90 days from today? Add or subtract any number of calendar days, including weekends, or choose another start date.
Processed locally
Help and method
Add a whole number of calendar days to the chosen start date. Negative values move backwards. The initial date uses your device’s today; weekends and holidays are not skipped.
Methods and reliabilityWorked example
An example you can try or adapt to your own values.
- Number of days
- 90
- Start date
- September 7, 2026
Result
Calculated date: Sunday, December 6, 2026