It was a Thursday.
20 August 1978 was a Sunday.
January 20, 1978 was a Friday.
June 20, 1978, was a Tuesday.
January 20 1978 was a Friday.
April 20, 1978 fell on a Thursday.
September 20, 1978 fell on a Wednesday.
November 20, 1978 fell on a Monday.
Friday
October 20, 1978 fell on a Friday.
That fell on a Monday.
Wednesday