تفسير : (and the even) the day of 'arafah and the day of immolation (and the odd) three days after the day of immolation; it is also said that the even refers to all prayers which are made of an even number of units: two or four units of prayer-the subh, zuhr, 'asr and 'isha' prayers-while the odd refers to the prayers which consists of an odd number of units of prayer such as the maghrib and witr prayers; it is also said that the even refers to heaven and earth, the life of the world and the hereafter, paradise and hell, the throne and the stool, the sun and the moon, while the odd refers to everything that is odd in number; it is also said that the even refers to the male and female, disbeliever and believer, the sincere and hypocrite, the righteous and the sinful, while the odd refers to allah.
Jalāl al-Dīn al-Maḥallī
تفسير : and [by] the even, the pair, and the odd (read watr or witr, two [alternative] forms), the single,
Sahl al-Tustari
تفسير : and by the even,[that is], adam and eve. it has also been said that it refers to all that god has created as opposites,such as the night and day, light and darkness, and death and life; and the odd: this [refers to] god, exalted is he.
