Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
203,338 days
From Monday, December 20, 1469 to Wednesday, September 9, 2026.
Monday–Friday weekdays145,242
Weeks and days29,048w 2d
Calendar span556 years, 8 months, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.