Năm 1983 có bao nhiêu ngày Thứ 7

1/1/1983 8/1/1983 15/1/1983 22/1/1983 29/1/1983 5/2/1983 12/2/1983 19/2/1983 26/2/1983 5/3/1983 12/3/1983 19/3/1983 26/3/1983 2/4/1983 9/4/1983 16/4/1983 23/4/1983 30/4/1983 7/5/1983 14/5/1983 21/5/1983 28/5/1983 4/6/1983 11/6/1983 18/6/1983 25/6/1983 2/7/1983 9/7/1983 16/7/1983 23/7/1983 30/7/1983 6/8/1983 13/8/1983 20/8/1983 27/8/1983 3/9/1983 10/9/1983 17/9/1983 24/9/1983 1/10/1983 8/10/1983 15/10/1983 22/10/1983 29/10/1983 5/11/1983 12/11/1983 19/11/1983 26/11/1983 3/12/1983 10/12/1983 17/12/1983 24/12/1983 31/12/1983