Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
168,216 days
From Tuesday, February 15, 1566 to Monday, September 7, 2026.
Monday–Friday weekdays120,154
Weeks and days24,030w 6d
Calendar span460 years, 6 months, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.