12광불 (光佛)의 명호 (名號)에 무량수불의 본명을 더하여 13호라 함. 1) 무량광불 (無量光佛). 2) 무변광불 (無邊光佛). 3) 무애광불 (無礙光佛). 4) 무대광불 (無對光佛). 5) 염왕광불( 燄王光佛). 6) 청정광불 (淸淨光佛). 7) 관희광불 (觀喜光佛). 8) 지혜광불( 智慧光佛). 9) 하단광불 (下斷光佛). 10) 난사광불 (難思光佛). 11) 무칭광불 (無稱光佛). 12) 초일월광불 (超日月光佛)

Thirteen different names of Amitabha Buddha including the original name of Amitayus: 1) Buddha of Boundless Light. 2) Buddha of Unlimited Light. 3) Buddha of Irresistible Light. 4) Buddha of Incomparable Light. 5) Buddha of the King Burning Light. 6) Buddha of Pure Light. 7) Buddha of Joyous Light. 8) Buddha of Wisdom Light. 9) Buddha of Unending Light. 10) Buddha of Inconceivable Light. 11) Buddha of Indescribale Light. 12) Buddha of Light Surpassing that of Sun and Moon.