Ashtangahridayasamhita 106

106

varṣādayo visargaś ca yad balaṃ visṛjaty ayam |
saumya-tvād atra somo hi bala-vān hīyate raviḥ || 5 ||

beginning with the rainy season, constitute the period of emission, because this emits strength; / for here, due to coolness, the moon is powerful and the sun declines;