國際天文日 旨在普及天文知識,連結專業天文學家與大眾。通常在每年春季(4月中至5月中)和秋季(9月中至10月中)的「上弦月」左右的星期六舉行。
International Astronomy Day aims to popularize astronomical knowledge and connect professional astronomers with the general public. It is usually held on a Saturday around the first quarter moon in spring (mid-April to mid-May) and autumn (mid-September to mid-October).





















