Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
203,343 days
From Wednesday, December 15, 1469 to Wednesday, September 9, 2026.
Monday–Friday weekdays145,245
Weeks and days29,049w 0d
Calendar span556 years, 8 months, 25 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.