Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
27,849 days
From Monday, December 4, 2102 to Friday, September 4, 2026.
Monday–Friday weekdays19,891
Weeks and days3,978w 3d
Calendar span76 years, 3 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.