Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,206 days
From Saturday, September 29, 1601 to Monday, September 7, 2026.
Monday–Friday weekdays110,861
Weeks and days22,172w 2d
Calendar span424 years, 11 months, 9 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.