Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
243,649 days
From Saturday, August 11, 1359 to Saturday, September 12, 2026.
Monday–Friday weekdays174,035
Weeks and days34,807w 0d
Calendar span667 years, 1 month, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.