Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
184,591 days
From Monday, April 18, 1521 to Tuesday, September 8, 2026.
Monday–Friday weekdays131,851
Weeks and days26,370w 1d
Calendar span505 years, 4 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.