Saturday
23 November 1970 was a Monday.
September 23, 1970 fell on a Wednesday.
June 23, 1970 fell on a Tuesday.
Friday, October 23, 1970; wolframalpha.com will do this for you just enter the date
February 23rd 1970 was a Monday.
Monday
It was a Monday.
May 17th, 1970 was a Sunday.
Wednesday
1 May 1970 was a Friday.
22 May 1970 was a Friday.
27th May 1970 was a Wednesday.