Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
9,770 days
From Monday, December 6, 1999 to Saturday, September 5, 2026.
Monday–Friday weekdays6,979
Weeks and days1,395w 5d
Calendar span26 years, 8 months, 30 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.