Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
28,591 days
From Monday, December 15, 2104 to Friday, September 4, 2026.
Monday–Friday weekdays20,421
Weeks and days4,084w 3d
Calendar span78 years, 3 months, 11 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.