Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
184,714 days
From Thursday, December 16, 1520 to Tuesday, September 8, 2026.
Monday–Friday weekdays131,938
Weeks and days26,387w 5d
Calendar span505 years, 8 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.