Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
200,180 days
From Tuesday, August 13, 1478 to Wednesday, September 9, 2026.
Monday–Friday weekdays142,986
Weeks and days28,597w 1d
Calendar span548 years, 27 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.