Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
58,349 days
From Tuesday, December 4, 1866 to Saturday, September 5, 2026.
Monday–Friday weekdays41,678
Weeks and days8,335w 4d
Calendar span159 years, 9 months, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.