Năm 1993 có bao nhiêu ngày Thứ 4

6/1/1993 13/1/1993 20/1/1993 27/1/1993 3/2/1993 10/2/1993 17/2/1993 24/2/1993 3/3/1993 10/3/1993 17/3/1993 24/3/1993 31/3/1993 7/4/1993 14/4/1993 21/4/1993 28/4/1993 5/5/1993 12/5/1993 19/5/1993 26/5/1993 2/6/1993 9/6/1993 16/6/1993 23/6/1993 30/6/1993 7/7/1993 14/7/1993 21/7/1993 28/7/1993 4/8/1993 11/8/1993 18/8/1993 25/8/1993 1/9/1993 8/9/1993 15/9/1993 22/9/1993 29/9/1993 6/10/1993 13/10/1993 20/10/1993 27/10/1993 3/11/1993 10/11/1993 17/11/1993 24/11/1993 1/12/1993 8/12/1993 15/12/1993 22/12/1993 29/12/1993