December 21 1978 was a Thursday.
29 December 1978 was a Friday.
6 December 1978 was a Wednesday.
December 5, 1978, was a Tuesday.
7th December 1978, was a Thursday.
11th December 1978 was a Monday.
December 14th, 1978 fell on a Thursday.
August 21, 1978 was a Monday.
April 21 1978 was a Wednesday.
December 15, 1978 fell on a Friday.
December 1st, 1978 fell on a Friday.
It was a Wednesday.
December 9, 1978 fell on a Saturday.