Năm 2001 có bao nhiêu ngày Thứ 7

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