今日大寒

Group 1 - The article discusses the significance of the "Great Cold" (大寒) as the last solar term in the 24 solar terms, indicating extremely cold weather [1] - It describes the typical weather conditions during this period, such as severe cold and snowfall, symbolizing the transition from winter to spring [1] - The article emphasizes that after the "Great Cold," the arrival of "Lichun" (立春) marks the beginning of a new year and the end of winter [1]