Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
31,570 days
From Friday, March 29, 1940 to Friday, September 4, 2026.
Monday–Friday weekdays22,550
Weeks and days4,510w 0d
Calendar span86 years, 5 months, 6 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.