Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
87,404 days
From Thursday, May 17, 1787 to Saturday, September 5, 2026.
Monday–Friday weekdays62,431
Weeks and days12,486w 2d
Calendar span239 years, 3 months, 19 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.