此佛之壽命，僅一日一夜。華嚴疏鈔十二曰：「如月面佛壽，一日夜故。佛名經第六云：（中略）月面佛壽一日夜，日面佛壽一千八百歲，梵面佛壽二十三千歲。」彌陀經略記曰：「或有佛短眾生長，如東方月面如來，彼佛壽命，一日一夜。」碧嚴第三則曰：「馬大師不安，院主問近日尊候如何？大師云：日面佛，月面佛。」
The 'moon-face Buddha', whose life is only a day and a night, in contrast with the sun-face Buddha whose life is 1, 800 years.