Date Calculator · D-day
Find the days between two dates and a D-day countdown, or get the date N days before/after.
Days between · D-day
Start
End (target)
Pick dates to start
Add · subtract days
Base date
Days
Pick a base date
Good for
- Counting D-day to an exam, deadline or event
- How many days an anniversary has lasted
- Finding the date N days later (contracts, warranties)
How is D-day counted?
It counts days from today to the target date. The target day itself is D-day (D-0), and past dates show as D+number.
Are the dates sent to a server?
No. All calculations run in your browser and the dates you enter are never sent or stored.