What Is the Cup of the Lord's Wrath in the Old Testament?

When he emerged from the agony in the garden and was about to be arrested, you remember what jesus said. All i not drink the cup which my father has given me. The cup of wine is often, in the old testament, a symbol of the judgment of god and the anger of god against evil. And then darkness came upon that hill, maybe an eclipse of the sun, but may be symbolic of the darkness of soul into which he now entered as he bore the sin of the world. For what is darkness in biblical symbolism but separation from god? Jesus own phrase for l is outer darkness, because god is light, and in him is no darkness at all.