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

4,135 days

From Thursday, December 31, 2037 to Saturday, September 5, 2026.

Monday–Friday weekdays2,954
Weeks and days590w 5d
Calendar span11 years, 3 months, 26 days

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