15th December 1961 was a Friday.
December 15, 1961 fell on a Friday.
May 15, 1961 fell on a Monday.
September 15, 1961 fell on a Friday.
Saturday
It was a Thursday.
December 15, 1977 was a Thursday.
15 December 1958 was a Monday.
15 December 1997 was a Monday.
15 December 1935 was on a Sunday.
15 December 1980 was a Monday.
December 15 1993 was on a Wednesday.
December 15 2010 was a Wednesday.