Năm 1986 có bao nhiêu ngày Thứ 5

2/1/1986 9/1/1986 16/1/1986 23/1/1986 30/1/1986 6/2/1986 13/2/1986 20/2/1986 27/2/1986 6/3/1986 13/3/1986 20/3/1986 27/3/1986 3/4/1986 10/4/1986 17/4/1986 24/4/1986 1/5/1986 8/5/1986 15/5/1986 22/5/1986 29/5/1986 5/6/1986 12/6/1986 19/6/1986 26/6/1986 3/7/1986 10/7/1986 17/7/1986 24/7/1986 31/7/1986 7/8/1986 14/8/1986 21/8/1986 28/8/1986 4/9/1986 11/9/1986 18/9/1986 25/9/1986 2/10/1986 9/10/1986 16/10/1986 23/10/1986 30/10/1986 6/11/1986 13/11/1986 20/11/1986 27/11/1986 4/12/1986 11/12/1986 18/12/1986 25/12/1986