1 September 1958 was a Monday.
Saturday http://www.timeanddate.com/calendar/?year=1958&country=1
1 December 1958 was a Monday.
November 1 1958 was on a Saturday.
October 1, 1958 fell on a Wednesday.
Tuesday
It was a Friday.
Saturday
July 1, 1958 fell on a Tuesday.
It was a Sunday.
1 September 1970 was a Tuesday.
1 September 1962 was a Saturday.
1 September 1994 was a Thursday.