Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
187,698 days
From Tuesday, October 15, 1512 to Tuesday, September 8, 2026.
Monday–Friday weekdays134,070
Weeks and days26,814w 0d
Calendar span513 years, 10 months, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.