Garudapurana 1.66.18

1.66.18

guruśukrau ca mandaśca ravicandrau yathoditam /
revatyādimṛgāntāśca ṛkṣāṇi prathamā kalā //

Jupiter and Venus, Saturn, and the Sun and the Moon as stated. / The lunar mansions from Revatī to Mṛgaśīrṣa are the first phase;