Friday.
April 27, 1973, was a Friday.
Thursday, December 27, 1973
October 27 1973 was a Saturday.
August 27, 1973 fell on a Monday.
April 27 1985 was a Saturday.
April 27 1962 was on a Friday.
April 27 1957 was a Saturday.
April 27, 1949, was a Wednesday.
April 27, 1977 was a Wednesday.
April 27, 1970 was a Monday.
April 27 2010 was a Tuesday.
April 27, 1984 was a Friday.