Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
188,224 days
From Monday, May 8, 1511 to Tuesday, September 8, 2026.
Monday–Friday weekdays134,446
Weeks and days26,889w 1d
Calendar span515 years, 4 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.