Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
188,125 days
From Tuesday, August 15, 1511 to Tuesday, September 8, 2026.
Monday–Friday weekdays134,375
Weeks and days26,875w 0d
Calendar span515 years, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.