Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
86,459 days
From Thursday, December 17, 1789 to Saturday, September 5, 2026.
Monday–Friday weekdays61,756
Weeks and days12,351w 2d
Calendar span236 years, 8 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.