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And they tarried in the Cave three hundred (read [with tanwīn] thalāthami'atin) years (sinīn is an explicative supplement to thalātha mi'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.