Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
31,643 days
From Tuesday, January 16, 1940 to Friday, September 4, 2026.
Monday–Friday weekdays22,603
Weeks and days4,520w 3d
Calendar span86 years, 7 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.