Mahabharata 3.211.30

दर्शं च पौर्णमासं च यस्य तिष्ठेत्प्रतिष्ठितम्इष्टिरष्टाकपालेन कार्या पथिकृतेऽग्नये

darśaṃ ca paurṇamāsaṃ ca yasya tiṣṭhetpratiṣṭhitamiṣṭiraṣṭākapālena kāryā pathikṛte'gnaye

Our plain-language meaning of this verse is waiting for scholar review.