Garudapurana 1.59.28

1.59.28

saptamī somaputreṇa aṣṭamī kujabhāskarau /
navamī candravā(sau) reṇa daśamī tu gurau śubhā //

the seventh with the son of the Moon [Mercury]; the eighth on Mars's and the Sun's days; / the ninth on Monday; the tenth is auspicious on Thursday;