Shivapurana 1.11-2.64

Śivapurāṇa (complete text) 1.11-2.64

prātarvidhikaraṃ jñeyaṃ madhyāhnaṃ kāmikaṃ tathā
sāyāhnaṃ śāṃtikaṃ jñeyaṃ rātrāvapi tathaiva hi