Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
140,276 days
From Friday, August 15, 1642 to Monday, September 7, 2026.
Monday–Friday weekdays100,196
Weeks and days20,039w 3d
Calendar span384 years, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.