Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
140,254 days
From Saturday, September 6, 1642 to Monday, September 7, 2026.
Monday–Friday weekdays100,181
Weeks and days20,036w 2d
Calendar span384 years, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.