It was a Saturday.
December 9 1950 was a Sayurday.
Sunday
December 12 can fall on any day of the week.
December 28, 1950 was a Thursday.
December 5th 1950 was a Tuesday.
December 27 1950 was a Wednesday.
December 21 1950 was on a Thursday.
December 13 1950 was a Wednesday.
23 December 1950 was a Saturday.
28th of December 1950 was a Thursday.
December 26, 1950 was a Tuesday.
December 9th, 1950 fell on a Saturday.