Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
187,486 days
From Thursday, May 15, 1513 to Tuesday, September 8, 2026.
Monday–Friday weekdays133,918
Weeks and days26,783w 5d
Calendar span513 years, 3 months, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.