Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
204,659 days
From Wednesday, May 9, 1466 to Wednesday, September 9, 2026.
Monday–Friday weekdays146,185
Weeks and days29,237w 0d
Calendar span560 years, 4 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.