It was a Friday.
May 21, 1988 fell on a Saturday.
January 21 1963 was on a Monday.
21 January 1943 was a Thursday.
21 January 1953 was a Wednesday.
21 January 2004 was a Wednesday.
January 21 2010 was a Thursday.
21 January 1983 was a Friday.
21 January 1983 was a Friday.
January 21, 1996 was a Sunday.
January 21, 2012 was a Saturday.
January 21, 1950 fell on a Saturday.
January 21, 1955 fell on a Friday.