Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
225,923 days
From Monday, March 31, 2645 to Wednesday, September 9, 2026.
Monday–Friday weekdays161,373
Weeks and days32,274w 5d
Calendar span618 years, 6 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.