Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
123,999 days
From Monday, March 7, 2366 to Sunday, September 6, 2026.
Monday–Friday weekdays88,571
Weeks and days17,714w 1d
Calendar span339 years, 6 months, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.