Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,430 days
From Saturday, February 17, 1601 to Monday, September 7, 2026.
Monday–Friday weekdays111,021
Weeks and days22,204w 2d
Calendar span425 years, 6 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.