According to the calendar built in to Windows - it was a Wednesday
Feb 20 1943 was on a Saturday.
Saturday
Saturday
Friday
It was a Sunday.
Friday
Wednesday
August 20 1947 was a Wednesday.
It was a Thursday.
February 20, 1947 fell on a Thursday.
November 20, 1947 fell on a Thursday.
February 20, 1947, was a Thursday.