Tithyarka 5.p1.10

5.p1.10

prababhūva mahāviṣṇurnarasiṃhākṛtinnṛpa !
rādhaśuklacaturdaśyāṃ śuddhe vaṇijavāyubhe
mandavāre nṛsiṃho'bhūt tretāyāṃ cādikalpake
sāyaṃkāle sadasatāṃ rakṣādamanakāraṇāt ||"
iti nṛsiṃhabhaviṣyapurāṇācca
atrāsmanmātuḥ pitāmahacaraṇāḥ—
nṛsiṃhapurāṇe sāmānyataḥ kāla utpatteruktaḥ, vivasvatyastaṃgāminīti ghaṭikāparimāṇānukteḥ | tasya skāndena nirṇayaḥ
tatra hi pradoṣa upāttaḥ | tallakṣaṇaṃ ca hemādrāvuktam—
"trimuhūrtaḥ pradoṣaḥ syādbhānau vyastaṃ gate sati |" iti
tasyāpi saṅkoco bhaviṣyapurāṇena tatra sāyaṃkāla ityukteḥ
"nakṣatradarśanātsandhyā sāyaṃ tatparataḥ sthitam |" iti
atra yadyapi sāyaṃśabdena paro'vadhirna labhyate, tathāpi pradoṣaśabdena
parāvadhilābhāt sāyaṃśabdena ca pūrvāvadhilābhāt trighaṭikātmakasāyaṃsandhyordhvaghaṭikātrayaṃ pradoṣasāyaṃśabdābhyāṃ parasparaṃ viśeṣaṇāllabhyate janmakālattveneti tatkālavyāpinī nṛsiṃhacaturdaśīyupoṣyeti
rāddhāntamāhuḥ—
"ayaṃ prakāsaṃ priyadarśanatvādū
vinirṇayo me rucaye babhūva
niśīthinīnātha ivodito'sau
prabhākaraḥ pūrṇakalo nalinyāḥ ||” iti
dinadvaye tadvyāptisattve'sattve vaikadeśasamavyāptau cottarā, vratārambhakāle sattvāt | vratārambhakālastu tatraivoktaḥ—
"tato madhyāhnavelāyāṃ nadyādau vimale jale
paridhāya navaṃ vāso vratakarma samārabhet ||” iti
"anaṅgena samāyuktā na sopāṣyā caturdaśī
dhanāpatyairviyujyeta tasmāttāṃ parivarjayet ||”
iti pādme trayodaśīyuktaniṣedhāccāparaiva | vaiṣamyeṇaikadeśasparśe
tadādhikyavatī grāhyā | atra sarveṣāmadhikāra ityuktaṃ tatraiva—
"sarveṣāmeva varṇānāmadhikāro'sti madvrate