Hayanaratna · by Balabhadra
Chapter 5 · Year Lord and Muntha
वर्षेशादिविचाराध्यायः
अत्र चन्द्रश्चेत्रैराशिकेश्वरस्तदा चन्द्र एव वर्षेश्वरो ज्ञेयस्त्रैराशिकेश्वरत्वाभावे येन चन्द्रो मुथशिली स एव वर्षप इति ॥
Here, if the Moon is the trirashipa (lord of Balabhadra's four-sign group), know the Moon to be the year lord. If the Moon is not the trirashipa, the planet in ithasala (planets moving toward an exact aspect) with the Moon is year lord.
Simple meaning: Moon as year lord: the Moon if it is the four-sign group lord, else the planet in ithasala with it.
विशेष उक्तस्तेजास्सिंहेन ॥
Equal candidates: the Sun by day or the Moon by night, if it is the four-sign group lord; else its ithasala partner; else the Moon's sign lord.
ग्रहज्ञाभरणेपि ॥
Moon not four-sign group lord: the planet in the chief yoga with the Moon is year lord, else the lord of the Moon's sign.
मुख्ययोगो इत्थशालाख्यः ॥
Gloss: the chief yoga is ithasala.