Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
214,146 days
From Monday, May 18, 1440 to Wednesday, September 9, 2026.
Monday–Friday weekdays152,962
Weeks and days30,592w 2d
Calendar span586 years, 3 months, 22 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.