Wednesday
December 12 can fall on any day of the week.
3 December 1971 was a Friday.
December 13th, 1971 fell on a Monday.
December 1, 1971 fell on a Wednesday.
December 7, 1971 fell on a Tuesday.
December 22, 1971 fell on a Wednesday.
December 23rd, 1971 fell on a Thursday.
December 16th, 1971 fell on a Thursday.
December 8th, 1971 fell on a Wednesday.
Friday
Friday
Monday