Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
140,273 days
From Monday, August 18, 1642 to Monday, September 7, 2026.
Monday–Friday weekdays100,195
Weeks and days20,039w 0d
Calendar span384 years, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.