Mon Llun 27 4 11 18 25 1 Christmas Day Dydd Nadolig Tue Maw 28 5 12 19 26 2 Boxing Day GŴyl San Steffan Wed Mer 29 6 13 20 27 3 Thu Iau 30 7 14 21 28 4 Fri Gwe 1 8 15 22 29 5 December / Rhagfyr Sat Sad 2 9 16 23 30 6 3 10 17 24 31 7 Sun Sul