Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
21,939 days
From Thursday, August 11, 1966 to Friday, September 4, 2026.
Monday–Friday weekdays15,671
Weeks and days3,134w 1d
Calendar span60 years, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.