Năm 1972 có bao nhiêu ngày Thứ 7

1/1/1972 8/1/1972 15/1/1972 22/1/1972 29/1/1972 5/2/1972 12/2/1972 19/2/1972 26/2/1972 4/3/1972 11/3/1972 18/3/1972 25/3/1972 1/4/1972 8/4/1972 15/4/1972 22/4/1972 29/4/1972 6/5/1972 13/5/1972 20/5/1972 27/5/1972 3/6/1972 10/6/1972 17/6/1972 24/6/1972 1/7/1972 8/7/1972 15/7/1972 22/7/1972 29/7/1972 5/8/1972 12/8/1972 19/8/1972 26/8/1972 2/9/1972 9/9/1972 16/9/1972 23/9/1972 30/9/1972 7/10/1972 14/10/1972 21/10/1972 28/10/1972 4/11/1972 11/11/1972 18/11/1972 25/11/1972 2/12/1972 9/12/1972 16/12/1972 23/12/1972 30/12/1972