Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
87,918 days
From Monday, December 19, 1785 to Saturday, September 5, 2026.
Monday–Friday weekdays62,799
Weeks and days12,559w 5d
Calendar span240 years, 8 months, 17 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.