How do I stop my depression in the morning and night?

Some reason I cannot figure out I am depressed in the morning and the late evening and not the post-morning to Pre-late-evening. depression basically 8 am to noon. and 6 pm till I fall asleep and wake up. the Between time of like noon to 6 pm I am energized and not have feelings of depression at all. How can I improve my depression problems and not have them at all since I am getting so Angry about it!