Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
28,945 days
From Friday, December 4, 2105 to Friday, September 4, 2026.
Monday–Friday weekdays20,675
Weeks and days4,135w 0d
Calendar span79 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.