Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
187,635 days
From Tuesday, December 17, 1512 to Tuesday, September 8, 2026.
Monday–Friday weekdays134,025
Weeks and days26,805w 0d
Calendar span513 years, 8 months, 22 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.