Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
168,863 days
From Saturday, May 9, 1564 to Monday, September 7, 2026.
Monday–Friday weekdays120,616
Weeks and days24,123w 2d
Calendar span462 years, 3 months, 29 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.