Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
204,864 days
From Monday, October 16, 1465 to Wednesday, September 9, 2026.
Monday–Friday weekdays146,332
Weeks and days29,266w 2d
Calendar span560 years, 10 months, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.