Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
90,844 days
From Tuesday, December 16, 1777 to Sunday, September 6, 2026.
Monday–Friday weekdays64,888
Weeks and days12,977w 5d
Calendar span248 years, 8 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.