Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
31,581 days
From Monday, March 18, 1940 to Friday, September 4, 2026.
Monday–Friday weekdays22,559
Weeks and days4,511w 4d
Calendar span86 years, 5 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.