Năm 2001 có bao nhiêu ngày Thứ 4

3/1/2001 10/1/2001 17/1/2001 24/1/2001 31/1/2001 7/2/2001 14/2/2001 21/2/2001 28/2/2001 7/3/2001 14/3/2001 21/3/2001 28/3/2001 4/4/2001 11/4/2001 18/4/2001 25/4/2001 2/5/2001 9/5/2001 16/5/2001 23/5/2001 30/5/2001 6/6/2001 13/6/2001 20/6/2001 27/6/2001 4/7/2001 11/7/2001 18/7/2001 25/7/2001 1/8/2001 8/8/2001 15/8/2001 22/8/2001 29/8/2001 5/9/2001 12/9/2001 19/9/2001 26/9/2001 3/10/2001 10/10/2001 17/10/2001 24/10/2001 31/10/2001 7/11/2001 14/11/2001 21/11/2001 28/11/2001 5/12/2001 12/12/2001 19/12/2001 26/12/2001