Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
21,896 days
From Friday, September 23, 1966 to Friday, September 4, 2026.
Monday–Friday weekdays15,640
Weeks and days3,128w 0d
Calendar span59 years, 11 months, 12 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.