Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
21,934 days
From Tuesday, August 16, 1966 to Friday, September 4, 2026.
Monday–Friday weekdays15,668
Weeks and days3,133w 3d
Calendar span60 years, 19 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.