BG 10.35
बृहत्साम तथा साम्नां गायत्री छन्दसामहम्
मासानां मार्गशीर्षोऽहमृतूनां कुसुमाकरः
bṛhatsāma tathā sāmnāṃ gāyatrī chandasāmaham
māsānāṃ mārgaśīrṣo'hamṛtūnāṃ kusumākaraḥ
TRANSLATION
Of Saman hymns, I am the Brhatsaman. Of meters, I am the Gayatri. Of months, I am Margashirsha (Nov-Dec). And of seasons I am the season of flowers.
PURPORT
Of Saman hymns, I am the Brhatsaman. Of meters, I am the Gayatri. Of seasons, I am the season of flowers (spring).