Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
186,814 days
From Thursday, March 18, 1515 to Tuesday, September 8, 2026.
Monday–Friday weekdays133,438
Weeks and days26,687w 5d
Calendar span511 years, 5 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.