Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
204,718 days
From Sunday, March 11, 1466 to Wednesday, September 9, 2026.
Monday–Friday weekdays146,228
Weeks and days29,245w 3d
Calendar span560 years, 5 months, 29 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.