Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,556 days
From Saturday, October 14, 1600 to Monday, September 7, 2026.
Monday–Friday weekdays111,111
Weeks and days22,222w 2d
Calendar span425 years, 10 months, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.