Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 3 · Name Letters and Chakras
युद्धजयार्णवः (चक्राणि)
संधिं कुर्वन्ति राजानः सुभिक्षं पार्थिवं शुभम् ।ग्रासस्तु विविधो ज्ञेयो मुखपुच्छकरो महान् ॥ १७ ॥
In the full Agni Purana this is chapter 130, verse 17.
Kings make peace. There is plenty of food and good fortune on the earth. Know that an eclipse is of many kinds. The great one is of the face and of the tail.
Simple meaning: Kings make peace and food is plentiful. Eclipses are of different kinds.
चन्द्रो राहुस्तथाऽऽदित्य एकराशौ यदि स्थितः ।
Sun, Moon and Rahu in one sign make a face eclipse. One in the 7th makes a tail eclipse.
भानोः पञ्चदशे ह्यृक्षे यदा चरति चन्द्रमाः ।
When the Moon is in the 15th nakshatra from the Sun and a moon day ends, foretell a Moon eclipse.
प्रदक्षिणमकारादीन्स्वरान्पूर्वादितो लिखेत् ।
Write the vowels round a circle from the east. The months start from Chaitra. Moon days are listed next.