Năm 1964 có bao nhiêu ngày Thứ 7

4/1/1964 11/1/1964 18/1/1964 25/1/1964 1/2/1964 8/2/1964 15/2/1964 22/2/1964 29/2/1964 7/3/1964 14/3/1964 21/3/1964 28/3/1964 4/4/1964 11/4/1964 18/4/1964 25/4/1964 2/5/1964 9/5/1964 16/5/1964 23/5/1964 30/5/1964 6/6/1964 13/6/1964 20/6/1964 27/6/1964 4/7/1964 11/7/1964 18/7/1964 25/7/1964 1/8/1964 8/8/1964 15/8/1964 22/8/1964 29/8/1964 5/9/1964 12/9/1964 19/9/1964 26/9/1964 3/10/1964 10/10/1964 17/10/1964 24/10/1964 31/10/1964 7/11/1964 14/11/1964 21/11/1964 28/11/1964 5/12/1964 12/12/1964 19/12/1964 26/12/1964