Tithyarka 2.p1.19

2.p1.19

vaidhṛtiyogakathanaṃ tu bhādraśuklaṣaṣṭhyabhiprāyeṇa, asyāṃ vaidhṛtiyogasya sarvathā'sambhavāt | asyāṃ viśveśvaradarśanamuktaṃ tatraiva—
“mārgaśīrṣe'male pakṣe ṣaṣṭhyāṃ vāre'ṃśumālinaḥ
śatatārāgate candre liṅgaṃ syād dṛṣṭigocaram ||” iti
syādityanena dṛṣṭigocaraṃ karttavyamityucyate | iyamuktayogayutā
pūrvā, yogābhāve saptamīyutā grāhyā'viśeṣāt | iyamapi skandaṣaṣṭhī
taduktaṃ nirṇayāmṛte bhaviṣyottare—
“yeyaṃ mārgaśire māsi ṣaṣṭhī bharatasattama !
puṇyā pāpaharā dhanyā śivā śāntā guhapriyā
nihatya tārakaṃ ṣaṣṭhyāṃ guhastārakarājavat
rarāja tena dayitā kārttike tasya sā tithiḥ
snānadānādikaṃ karma tasyāmakṣayyamucyate |” iti dik
ṣaṣṭhī śukreṇa bhaumena vā siddhā | śanivāreṇa viruddhā | yoginyatra paścimāyām | iti ṣaṣṭhī nirṇītā
atha saptamī nirṇīyate | sā pūrvā uktā skānde—
“ṣaṣṭhyā yutā saptamī ca karttavyā tāta ! sarvadā |” iti
upavāse'pi pūrvā, ‘ekādaśī tathā ṣaṣṭhī’ iti pūrvodāhṛtavacanāt
caitraśuklasaptamyāṃ śrībhāskaraṃ damanakādibhiḥ sampūjya bhogānāpnotītyuktaṃ nirṇayāmṛte devīpurāṇe—
“bhāskarasya tu saptamyāṃ pūjāṃ damanakādibhiḥ
kṛtvā prāpnoti bhogādīn vigatāṅghrirmahātapāḥ ||” iti
vaiśākhaśuklasaptamī gaṅgāsaptamī | asyāṃ gaṅgāpūjanaṃ kāryyamityuktaṃ brāhme—
“vaiśākhe śuklasaptamyāṃ jahnunā jāhnavī svayam
krodhātpītā punastyaktā karṇarandhrāttu dakṣiṇāt
tāṃ tatra pūjayeddevīṃ gaṅgāṃ gaganamekhalām |” iti
viśeṣavacanābhāvādiyaṃ pūrvāhnavyāpinī grāhyā | dinadvaye tadvyāptāvavyāptau vā sāmānyanirṇayātpūrvaiva
āṣāḍhaśuklasaptamyāṃ sūryapūjoktā nirṇayāmṛte brahmapurāṇe—