Matsyapurana 126.6

126.6

madhumādhavayorhyeṣa gaṇo vasati bhāskare
vasangrīṣme tu dvau māsau mitraśca varuṇaśca vai //

During the months of Chaitra and Vaiśâkha, Brahmâ and Aryamâ, the two Devas; Pulastya and Pulaha, the two Prajâpatis; Vâsuki and Saṅkîrṇa, the two Nagas; the chief singers—Tumvaru and Nârada,—the two Gandharvas; Kritasthalâ and Punjikasthalî, the two nymphs; the two charioteers, Rathakṛit and Rathaujâ; the two demons, Heti and Praheti, resort to the solar region. During the two months Jyaiṣṭha and Âṣâḍha, in the summer, Mitra and Varuṇa, the two Devas, go to live there.—3-6.