Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
22,829 days
From Wednesday, March 4, 1964 to Friday, September 4, 2026.
Monday–Friday weekdays16,307
Weeks and days3,261w 2d
Calendar span62 years, 6 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.