Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
22,818 days
From Sunday, March 15, 1964 to Friday, September 4, 2026.
Monday–Friday weekdays16,300
Weeks and days3,259w 5d
Calendar span62 years, 5 months, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.