Suryasiddhanta 2.60

2.60

spaṣṭakrānteḥ kramotkramajye kramajyotkramajye dve api prasādhya tatra tanmadhye krāntyutkramajyayā trijyā hīnā dinavyāsadalamahorānavṛttasya vyāsārdhaṃ dyujyetyarthaḥ | taddinavyāsārdhaṃ dakṣiṇottaraṃ dakṣiṇagola uttaragole ca syāt | krāntergoladvaye'pi sattvāt | aparā krāntijyaiva | atopapattiḥ | krāntyaṃśānāṃ kramajyā krāntijyā bhujo viṣuvadvṛttasukārākhyahorātravṛttānyubhayagole tadubhayaṃtastadvyāsārdhaṃ dyujyā koṭistrijyā karṇa iti gole pratyakṣam | trijyāvṛtta unmaṇḍale yāmyottaravṛtte vā pratyakṣam | tatra bhujakarṇayorvargāntarapadaṃ koṭiriti krāntijyāvargonāttrijyāvargānmūlaṃ dyujyā | tatrāpi bhujotkramajyayā hīnā trijyā koṭikramajyā syāditi vṛtte pratyakṣadarśanāt krāntyutkramajyayonā trijyā dyujyā syāditi lāghavena vargamūlanirāsenoktaṃ bhagavatā krānterityādi |
atha carānayanapūrvakadinarātrimānasādhanaṃ ślokatrayeṇāha |