15 September 1970 was a Tuesday.
Saturday
1 September 1970 was a Tuesday.
21 September 1970 was a Monday.
September 8, 1970 was a Tuesday.
September 6, 1970 was a Sunday.
September 2nd 1970 was a Wednesday.
September 17 1970 was a Thursday.
September 15th 1970 was a Tuesday.
September 4, 1970 was a Friday.
Christmas Day was on a Friday in 1970.
September 18, 1970 fell on a Friday.
September 3, 1970 fell on a Thursday.