Năm 1978 có bao nhiêu ngày Chủ Nhật

1/1/1978 8/1/1978 15/1/1978 22/1/1978 29/1/1978 5/2/1978 12/2/1978 19/2/1978 26/2/1978 5/3/1978 12/3/1978 19/3/1978 26/3/1978 2/4/1978 9/4/1978 16/4/1978 23/4/1978 30/4/1978 7/5/1978 14/5/1978 21/5/1978 28/5/1978 4/6/1978 11/6/1978 18/6/1978 25/6/1978 2/7/1978 9/7/1978 16/7/1978 23/7/1978 30/7/1978 6/8/1978 13/8/1978 20/8/1978 27/8/1978 3/9/1978 10/9/1978 17/9/1978 24/9/1978 1/10/1978 8/10/1978 15/10/1978 22/10/1978 29/10/1978 5/11/1978 12/11/1978 19/11/1978 26/11/1978 3/12/1978 10/12/1978 17/12/1978 24/12/1978 31/12/1978