Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
206,844 days
From Tuesday, May 15, 1460 to Wednesday, September 9, 2026.
Monday–Friday weekdays147,746
Weeks and days29,549w 1d
Calendar span566 years, 3 months, 25 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.