Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
23,909 days
From Monday, March 20, 1961 to Friday, September 4, 2026.
Monday–Friday weekdays17,079
Weeks and days3,415w 4d
Calendar span65 years, 5 months, 15 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.