Matsyapurana 159.5

159.5

caitrasyaiva site pakṣe pañcamyāṃ pākaśāsanaḥ
bālakābhyāṃ cakāraikaṃ matvā cāmarabhūtaye //

On the new moon night of the month of Chaitra, two powerful sons of the brilliancy of the Sun, were born in the thicket of reed forest, and on the fifth day of the bright-fortnight, they were joined together by Indra, for the welfare of the Devas On the sixth day of the same fortnight, Kârtikeya was duly installed by Brahmâ, Indra, Upendra, Âdityas and the other Devas with scent, garlands, excellent Dhûpa, play things, umbrella, châmara, ornaments and unguents.—4 6