Valmiki Ramayana Bala Kanda Sarga 43 Shloka 20

गततोयदम् devoid of clouds, गगनम् sky, सम्पतद्भि: by those arriving with speed, सुरगणै: by multitudes of devatas, तेषाम् आभरणौजसा with the effulgence of their ornaments, शतादित्यमिव hundred suns, आभाति shines (at that moment).

The cloudless sky shone with the radiance of the ornaments of the gods alighting speedily to witness Ganga. It appeared as though the sky was filled with a hundred Suns.