Monday.
Monday
Birth Day - 2000 Quadruplets was released on: USA: 17 December 2001
18 December 1988 was a Sunday.
18 December 1961 was a Monday.
December 20, 2000 was on a Wednesday.
December 31 2000 was a Sunday.
18 December 1994 was a Sunday.
December 18, 1981 was a Friday.
December 18, 1963 fell on a Wednesday.
December 18, 1965 fell on a Saturday.
December 18, 1956 fell on a Tuesday.
December 18 2010 was a Saturday.