Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
213,999 days
From Monday, October 12, 1440 to Wednesday, September 9, 2026.
Monday–Friday weekdays152,857
Weeks and days30,571w 2d
Calendar span585 years, 10 months, 28 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.