Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
201,888 days
From Tuesday, December 9, 1473 to Wednesday, September 9, 2026.
Monday–Friday weekdays144,206
Weeks and days28,841w 1d
Calendar span552 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.