Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
87,203 days
From Tuesday, December 4, 1787 to Saturday, September 5, 2026.
Monday–Friday weekdays62,288
Weeks and days12,457w 4d
Calendar span238 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.