Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
140,206 days
From Friday, October 24, 1642 to Monday, September 7, 2026.
Monday–Friday weekdays100,146
Weeks and days20,029w 3d
Calendar span383 years, 10 months, 14 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.