Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
199,950 days
From Monday, March 31, 1479 to Wednesday, September 9, 2026.
Monday–Friday weekdays142,822
Weeks and days28,564w 2d
Calendar span547 years, 5 months, 9 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.