Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
22,543 days
From Tuesday, December 15, 1964 to Friday, September 4, 2026.
Monday–Friday weekdays16,103
Weeks and days3,220w 3d
Calendar span61 years, 8 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.