Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
67,845 days
From Friday, December 4, 1840 to Saturday, September 5, 2026.
Monday–Friday weekdays48,460
Weeks and days9,692w 1d
Calendar span185 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.