Date Calculator — Days Between Dates & Add/Subtract Days
Find the exact time between two dates, or add and subtract days to find a future or past date. Perfect for deadlines, due dates and planning.
Difference between two dates
Add or subtract days
Frequently asked questions
What can the date calculator do?
Two things: find the number of days, weeks and months between two dates, or add/subtract a number of days from any date to get the resulting date.
Does it count both the start and end day?
The difference is the number of full days from the start date to the end date. Add one if you need to include both endpoints.
All calculations run in your browser.