Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
203,349 days
From Thursday, December 9, 1469 to Wednesday, September 9, 2026.
Monday–Friday weekdays145,249
Weeks and days29,049w 6d
Calendar span556 years, 9 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.