Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
199,894 days
From Monday, May 26, 1479 to Wednesday, September 9, 2026.
Monday–Friday weekdays142,782
Weeks and days28,556w 2d
Calendar span547 years, 3 months, 14 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.