Depending on the time format you're using (DD-MM-YYYY or MM-DD-YYYY):
November 5, 1952 was a Wednesday.
May 11, 1952 was a Sunday.
According to http://earthonly.com/tools/weekday.php
It was a Monday.
May 11th, 1980 was a Sunday.
May 11th 1963 was a Saturday.
11th May 1951 was a Friday.
May 11th, 1966 fell on a Wednesday.
Wednesday
Saturday
Tuesday
Thursday.
There are two answers to that, depending on your interpretation of the date: The 11th of January 1952 was a Friday. November the 1st 1952 was a Saturday.
2 May 1952 was a Friday.
May 31, 1952, was a Saturday.