Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
31,411 days
From Wednesday, September 4, 1940 to Friday, September 4, 2026.
Monday–Friday weekdays22,437
Weeks and days4,487w 2d
Calendar span86 years
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.