Bhagavatapurana 5.22.8

5.22.8

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evaṃ candramā arka-gabhastibhya upariṣṭāl lakṣa-yojanata upalabhyamāno 'rkasya saṃvatsara-bhuktiṃ pakṣābhyāṃ māsa-bhuktiṃ sapādarkṣābhyāṃ dinenaiva pakṣa-bhuktim agracārī drutatara-gamano bhuṅkte //

8. Similarly Chandra (the Moon), placed at a height of laksha Yojanas beyond the range of the Sun's rays, completes in two fortnights the circuit which the Sun makes in a year; and in two days a quarter of that distance which the Sun traverses in a month; the Moon goes in advance of the Sun in greater velocity and in the course of a day passes over the distance which the Sun takes a fortnight to do.