In 2025， which is the year of Yi Si 乙巳， the Zodiac sign is the Snake. The heavenly stem (天干) is Yi 乙， which belongs to the Wood element (木)， and the earthly branch (地支) is Si 巳， which corresponds to the Snake and belongs to the Fire element (火). Therefore， 2025 is also known as the year of the Wood Snake (木蛇). The year's attribute is further defined as "Over Lamp Fire" (覆灯火命) or "Buddha Lamp Fire" (佛灯火命).