Năm 1998 có bao nhiêu ngày Chủ Nhật

4/1/1998 11/1/1998 18/1/1998 25/1/1998 1/2/1998 8/2/1998 15/2/1998 22/2/1998 1/3/1998 8/3/1998 15/3/1998 22/3/1998 29/3/1998 5/4/1998 12/4/1998 19/4/1998 26/4/1998 3/5/1998 10/5/1998 17/5/1998 24/5/1998 31/5/1998 7/6/1998 14/6/1998 21/6/1998 28/6/1998 5/7/1998 12/7/1998 19/7/1998 26/7/1998 2/8/1998 9/8/1998 16/8/1998 23/8/1998 30/8/1998 6/9/1998 13/9/1998 20/9/1998 27/9/1998 4/10/1998 11/10/1998 18/10/1998 25/10/1998 1/11/1998 8/11/1998 15/11/1998 22/11/1998 29/11/1998 6/12/1998 13/12/1998 20/12/1998 27/12/1998