Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 3 · Name Letters and Chakras
युद्धजयार्णवः (चक्राणि)
इन्द्रादीन्भैरवादींश्च ब्रह्माण्यादीन्ग्रहादिकान् ।अष्टाष्टकं च पूर्वादौ याम्यादौ वातयोगिनीम् ॥ १७ ॥
In the full Agni Purana this is chapter 142, verse 17.
Indra and the rest, Bhairava and the rest, Brahmani and the rest, the planets and the rest: eight groups of eight, from the east onward. From the south onward, the Vatayogini.
Simple meaning: Groups of eight, led by Indra, Bhairava, Brahmani and the planets, go round from the east. Vatayogini starts from the south.
विष्टिराहुं प्रवक्ष्यामि अष्टौ रेखास्तु पातयेत् ।
Vishti Rahu uses eight lines moving round the directions from the north-east to the south, north-west, east and west.
नैर्ऋताच्च नयेच्चन्द्रं चन्द्रादग्निं ततो जले ।
Rahu with Vishti goes round the directions from the south-west through the north and south-east to the west and north-east.
ऐशान्यां च तृतीयादौ सप्तम्यादौ च याम्यके ।
Rahu sits in different directions on different moon days. In the north-west he kills enemies.