The waves are beating against the rocks in the rays of dawnThe waves are beating against the rocks in the rays of dawn
The rays of the sun at dawn through the branches of treesThe rays of the sun at dawn through the branches of trees
Autumn dawn on the river. water and leaves are beautifulAutumn dawn on the river. Water and leaves are beautiful
Время перед восходом солнца. Ранний период, начало чего-н. ( книжн. ).