Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
168,194 days
From Wednesday, March 9, 1566 to Monday, September 7, 2026.
Monday–Friday weekdays120,138
Weeks and days24,027w 5d
Calendar span460 years, 5 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.