It was a Friday.
It was a Thursday.
Sunday
December 13 1985 was on a Friday.
December 26 1985 was on a Thursday.
December 2, 1985, was a Monday.
December 31st, 1985 fell on a Tuesday.
Saint Nicholas' Day
Thursday
It was a Monday.
Thursday
December 6 1961 was a Wednesday.
December 6, 1886, was a Monday.