Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
140,079 days
From Saturday, February 28, 1643 to Monday, September 7, 2026.
Monday–Friday weekdays100,056
Weeks and days20,011w 2d
Calendar span383 years, 6 months, 10 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.