Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
244,981 days
From Thursday, December 18, 1355 to Saturday, September 12, 2026.
Monday–Friday weekdays174,986
Weeks and days34,997w 2d
Calendar span670 years, 8 months, 25 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.