Bhagavad Gita 8.24

अग्निर्ज्योतिरहः शुक्लः षण्मासा उत्तरायणम्।तत्र प्रयाता गच्छन्ति ब्रह्म ब्रह्मविदो जनाः ॥८.२४॥

agnirjyotirahaḥ śuklaḥ ṣaṇmāsā uttarāyaṇamtatra prayātā gacchanti brahma brahmavido janāḥ

Fire, light, daytime, the bright fortnight, the six months of the northern path of the sun (the northern solstice) departing, then men who know Brahman go to Brahman.

गीता