Tuesday.
August 4, 1900, was a Saturday.
Thursday
It was on a Wednesday.
December 4 1957 was on a Wednesday.
December 4, 1964 was on a Friday.
December 4 1998 was a Friday.
December 4 2009 was a Friday.
December 4 2010 was a Saturday.
December 16 1958 58/4=12 58+12=70 4 is December 70+4+16 = 90 90-7*12=6 1 is 1900 6+1=7 7 is Sunday
December 4, 1983 fell on a Sunday.
December 4, 1959 fell on a Friday.
December 4, 1981 fell on a Friday.