Atharvavedaparishishta 64.9.10

64.9.10

dīptadhūmarajasdhvastā diṅnāgā vanaparvatāḥ | uccais toyadasomārkā hemante śobhanāḥ smṛtāḥ ||

Direction-elephants, forests, and mountains covered with blazing smoke and dust, / high clouds, moon, and sun are recorded as auspicious in early winter.