Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
31,641 days
From Thursday, January 18, 1940 to Friday, September 4, 2026.
Monday–Friday weekdays22,601
Weeks and days4,520w 1d
Calendar span86 years, 7 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.