"동지 지난 지 열흘이면 해가 노루 꼬리만큼 길어진다"는 말처럼 낮이 조금씩 길어진다고 한다.
It is said that the day gets longer little by little, like the saying, "10 days after the winter solstice, the sun grows as long as the tail of a roe deer."