Suryasiddhanta 2.64

2.64

aṣṭaśatamitaḥ kalā nakṣatrabhogaḥ | prasaṅgāt tithibhogamāha | khāgniśailā iti | tithyarviṃśatyadhikasaptaśatamitaḥ kalāstathā bhoga ityarthaḥ | yasya grahasya nakṣatrajñānamiṣṭaṃ tasya grahasya rāśayastriṃśadguṇyā aṃśā yojyāste ṣaṣṭiguṇitāḥ kalā yojyā iti paribhāṣayā kalā nakṣatrabhogabhaktāḥ phalaṃ grahasya gatanakṣatrāṇi śeṣaṃ vartamānanakṣatrasya gatakalāstasmāt tasya gatadinādyānayanamāha | bhuktyeti | grahasya kalātmikayā gatyā śeṣadinādikaṃ gataṃ bhāgaharaṇena sādhyamevaṃ śeṣonādbhogāngaitikalā bhāgenaiṣyadinādikaṃ sādhyam | atropapattiḥ | bhacakrabhogena saptaviṃśatinakṣatrāṇyaśvinyādīni graho bhunaktya-
taḥ saptaviṃśatinakṣatrāṇāṃ cakrakalāḥ ṣaṭśatayutaikaviṃśatisahasramitā bhogastadaikanakṣatrasya ka ityanupātenāṣṭaśatakalābhogaḥ | evaṃ tithescāndramāsatriṃśadaṃśatvāccāndramāsasya sūryyacandrāntaraikabhagaṇasiddhatvācca | triṃśattithīnāṃ cakrakalābhogastadaikatitheḥ ka ityanupātena viṃśatyadhikasaptaśatakalābhogaḥ | athāṣṭaśatakalābhirekaṃ nakṣatraṃ tadā grahakalābhiḥ kimityanupātena phalamaśvinyādīni grahabhuktāni śeṣakalā grahādhiṣṭhitanakṣatrasya gataṃ bhabhogāddhīnaṃ tasyaiṣyamābhyāṃ grahagatyaikaṃ dinaṃ tadābhīṣṭakalābhiḥ kimityanupātena tasya gataiṣyadivasādyaṃ bhavati | evaṃ candrāddinanakṣatraṃ jñeyam |
atha prasaṅgādyogānayanamāha |