Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
89,843 days
From Monday, September 11, 1780 to Saturday, September 5, 2026.
Monday–Friday weekdays64,174
Weeks and days12,834w 5d
Calendar span245 years, 11 months, 25 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.