Năm 1973 có bao nhiêu ngày Chủ Nhật

7/1/1973 14/1/1973 21/1/1973 28/1/1973 4/2/1973 11/2/1973 18/2/1973 25/2/1973 4/3/1973 11/3/1973 18/3/1973 25/3/1973 1/4/1973 8/4/1973 15/4/1973 22/4/1973 29/4/1973 6/5/1973 13/5/1973 20/5/1973 27/5/1973 3/6/1973 10/6/1973 17/6/1973 24/6/1973 1/7/1973 8/7/1973 15/7/1973 22/7/1973 29/7/1973 5/8/1973 12/8/1973 19/8/1973 26/8/1973 2/9/1973 9/9/1973 16/9/1973 23/9/1973 30/9/1973 7/10/1973 14/10/1973 21/10/1973 28/10/1973 4/11/1973 11/11/1973 18/11/1973 25/11/1973 2/12/1973 9/12/1973 16/12/1973 23/12/1973 30/12/1973