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

85,947 days

From Sunday, December 29, 2261 to Saturday, September 5, 2026.

Monday–Friday weekdays61,390
Weeks and days12,278w 1d
Calendar span235 years, 3 months, 24 days

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