Hayanaratna · by Balabhadra
Chapter 7 · Finding the Dashas
दशानयनाधिकाराध्यायः
हद्दाख्या वर्षलग्नस्य हद्देशे बलसंयुते ॥अब्दचंद्रबलोपेते कुर्यान्नैसर्गिकी दशा ॥ ३ ॥
Use the hadda (a planet's own small part of a sign) dasha (planet period) when the hadda lord of the year lagna (rising sign) is strong. When the year's Moon has strength, use the natural dasha.
Simple meaning: Year lagna's hadda lord strong: use hadda periods. Year Moon strong: use natural periods.
सवीर्यजन्मराशीशे मुद्दा गौरीमतेन तु ॥
Birth sign lord strong: use Gauri's mudda periods. All planets equal in strength: use tasira periods.
सवीर्येचंद्रराशीशे बलरामाह्वया मता ॥
Moon sign lord strong: use Balarama's periods. No planet sees the lagna: use house periods.
तत्र वर्षे सर्वापेक्षया हीनांशग्रहस्य सबलत्वे तदाहीनांशदशा विधेया ॥१॥ सर्वग्रहैर्दृष्टे लग्ने तसीरदशा ॥ २ ॥ लग्नस्य सबलत्वे भावतसीरदशा ॥३॥
Choosing a period system (1-3): least-degree planet strong, lagna seen by all, or lagna strong.