Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

The end date comes before the start date

29,052 days

From Sunday, March 21, 2106 to Friday, September 4, 2026.

Monday–Friday weekdays20,750
Weeks and days4,150w 2d
Calendar span79 years, 6 months, 17 days

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.