Start of Winter (Chinese: 立冬), the 19th solar term of the year, began this year on Nov 7 and ended on Nov 21. It begins when the Sun reaches the celestial longitude of 225° and ends when it reaches the longitude of 240°. The Start of Winter marks the beginning of winter. By then, farmers have harvested the grains and have stored them in the house, and some animals have begun to hibernate. For more information, please read:8 things you may not know about Start of Winter. [Photo by Wan Jin/Palace Museum]