Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
22,082 days
From Monday, March 21, 1966 to Friday, September 4, 2026.
Monday–Friday weekdays15,774
Weeks and days3,154w 4d
Calendar span60 years, 5 months, 14 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.