Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
31,766 days
From Friday, September 15, 1939 to Friday, September 4, 2026.
Monday–Friday weekdays22,690
Weeks and days4,538w 0d
Calendar span86 years, 11 months, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.