Date Calculator
Pick a start date and add or subtract a number of days to get the resulting date. Handy for deadlines, schedules, and countdowns.
Add or subtract days
Enter start date and days, then click Calculate.
How it works
We take the start date and add (or subtract) the given number of days using the JavaScript Date object. Month and year boundaries are handled correctly.
When to use it
Use it to find a date N days from now, or to work back from a deadline to when you must start.
Frequently asked questions
- What about time zones? We use the local date. For UTC or a specific zone use a timezone-aware tool.
- Can I subtract days? Yes. Enter a negative number of days to go backward.