Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
129,999 days
From Saturday, October 4, 1670 to Monday, September 7, 2026.
Monday–Friday weekdays92,856
Weeks and days18,571w 2d
Calendar span355 years, 11 months, 3 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.