Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
177,163 days
From Tuesday, August 19, 1541 to Tuesday, September 8, 2026.
Monday–Friday weekdays126,545
Weeks and days25,309w 0d
Calendar span485 years, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.