Date Calculator
What date is 90 days from now? Or 45 days before a deadline? Enter a start date and a number of days.
How to use
- Pick the start date.
- Enter days to add (negative to subtract).
- Read the resulting date.
Examples
90 days from 2026-01-01
Output: 2026-04-01.
Frequently asked questions
Business days?
This calculator counts calendar days. A business-day version is on the roadmap.