Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
31,398 days
From Tuesday, September 17, 1940 to Friday, September 4, 2026.
Monday–Friday weekdays22,428
Weeks and days4,485w 3d
Calendar span85 years, 11 months, 18 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.