YOU SAID:
One, two, three, four, five, six, seven, eighth, nine, ten, eleven, twelve days of Christmas
INTO JAPANESE
クリスマスの1、2、3、4、5、6、7、8、9、10、11、12日目
BACK INTO ENGLISH
1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th, 11th, 12th Day of Christmas
INTO JAPANESE
クリスマスの1日目、2日目、3日目、4日目、5日目、6日目、7日目、8日目、9日目、10日目、11日目、12日目
BACK INTO ENGLISH
1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th, 11th, 12th Day of Christmas
Come on, you can do better than that.