Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
31,515 days
From Thursday, May 23, 1940 to Friday, September 4, 2026.
Monday–Friday weekdays22,511
Weeks and days4,502w 1d
Calendar span86 years, 3 months, 12 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.