(It is said) they stayed in the cave three hundred years and nine.
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Tafseer
'Abdullāh Ibn 'Abbās / Muḥammad al-Fīrūzabādī
تفسير : (and (it is said) they tarried in their cave three hundred years and add nine) before allah made them wake up.
Jalāl al-Dīn al-Maḥallī
تفسير : and they tarried in the cave three hundred (read [with tanwīn] thalāthami’atin) years (sinīn is an explicative supplement to thalāthami’atin, ‘three hundred’): these three hundred years in the case of the people of the cave were solar years; but for [the number of] lunar ones, the arabs add nine years thereto, and this is mentioned in his saying: and add nine, that is, nine years; in other words three hundred solar years, while three hundred and nine lunar ones.
