Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
184,440 days
From Friday, September 16, 1521 to Tuesday, September 8, 2026.
Monday–Friday weekdays131,742
Weeks and days26,348w 4d
Calendar span504 years, 11 months, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.