Find the calendar date a set number of days before or after a starting date.
How to use this calculator
Pick a starting date or use Today to fill it from your device. Enter a positive offset to move forward, a negative offset to move backward, or zero to keep the same date.
Example. February 28, 2028 + 1 day is February 29, 2028. March 1, 2027 − 1 day is February 28, 2027.
Uses Gregorian calendar days from 1900 through 9999. Weekends and holidays count like other days.