Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
58,455 days
From Monday, August 20, 1866 to Saturday, September 5, 2026.
Monday–Friday weekdays41,754
Weeks and days8,350w 5d
Calendar span160 years, 16 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.