On December 22 , Japan marks more than an astronomical event. It is Tōji (冬至) , the winter solstice , the shortest day of the year. Yet, as is often the case in Japanese culture, a natural phenomenon becomes an occasion filled with symbolic meaning, everyday rituals, and seasonal wisdom that connect body, mind, and nature. This day is also known as Yuzu no Hi (柚子の日) — Yuzu Day . It is centered on one of Japan’s most iconic winter citrus fruits and accompanied by traditions