Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
144,101 days
From Sunday, March 21, 2421 to Monday, September 7, 2026.
Monday–Friday weekdays102,929
Weeks and days20,585w 6d
Calendar span394 years, 6 months, 14 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.