Nirnayasindhu 24.3-5.3

24.3-5.3

tathātra caturdaśīcaturthayāmāruṇodayacandrodayānāmuttarottarasya vyāpyatvādurutvamiti
yadapi divodāsīye- "trayodaśī yadā prātaḥ kṣayaṃ yāti caturdaśī | rātriśleṣe tvamāvāsyā
tadābhyaṅge trayodaśī" iti vacanaṃ taddhemādrinirṇayāmṛtādyalikhitatvena nirmūlam | samūlatvepi caturdaśyāḥ sūryodayadvayāsaṃbaṃdhitvarūpaḥ kṣayotra vivakṣitaḥ sūryodayāt prāk samāptau
candrodayakālasattve ca tathaivāṅgīkārāt | kiṃ tu abhyaṅgakālāt prāk samāptirūpo'tra
hrāsaḥ kṣayaśabdena vivakṣitaḥ | sa cāruṇodayāt caturthayāmādvā prāk yadā hrāsastatparamidam | ata eva sarvajñanārāyaṇena caturthayāmamātre snānamuktam || tathā codāhṛtam-‘tathā
kṛṣṇacaturdaśyām ' iti | jyotirnibandhe nāradopi-"iṣāsitacaturdaśyāminukṣayatithāvapi | ūrjādau svātisaṃyukte tadā dīpāvalī bhavet || kuryātsaṃlagnametacca dīpotsavadinadvayam " ye tu trayodaśīmadhye snānamāhuḥ teṣāmāśayaṃ na vidma ityalaṃ bhūyasā || yadapi"aruṇodayato'nyatra riktāyāṃ snāti yo naraḥ | tasyābdikaṃbhavo dharmo naśyatyeva na
saṃśayaḥ " iti divodāsīye bhaviṣyavacanam
sanmukhyakāle'ruṇodaye caturdaśyabhāvepi tatraiva snātavyamityevaṃ paramiti sarvaṃ siddham | 'caturghaṭikātmako'ruṇodayaḥ' iti tatraivoktam | madanaratne pādme-“apāṅgamārgamatho tumbīṃ prapunnāṭamathāparam | bhrāmayetsnānamadhye tu narakasya kṣayāya vai ||” prapunnāṭaścakramardaḥ | mantrastu"sitāloṣṭhasamāyukta sakaṇṭakadalānvita | hara pāpamapāmārga bhrāmyamāṇaḥ punaḥpunaḥ "
iti asyāmeva pradoṣe dīpān dadyādityuktaṃ hemādrau skāṃde-“tataḥ pradoṣasamaye dīpān