Add or subtract days
A useful answer. A moment of your time.
Move forward or back
Enter a starting date and a whole number. Positive numbers move forward; negative numbers move back. A zero leaves the date unchanged. The tool accepts offsets from minus one million to one million days, as long as the resulting date stays in the supported range.
Let the calendar handle the boundaries
You do not need to adjust manually when the result passes into another month or year. The calculation includes the actual lengths of the intervening months, including February in a leap year.
Calendar days are not working days
This tool includes Saturdays, Sundays and holidays. If you are working with a schedule that has its own definition of a working day, use that schedule separately. The result is a date and weekday, not a time-of-day deadline.