Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
31,780 days
From Friday, September 1, 1939 to Friday, September 4, 2026.
Monday–Friday weekdays22,700
Weeks and days4,540w 0d
Calendar span87 years, 3 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.