Evening, a time when the light and heat are fading away, represents a state in which a person -- or a community of people -- is turning away from the Lord, with little desire left to be good and little knowledge left regarding what good is. Evening is often a time of judgment.

In Genesis 19:1, the evening signifies the visitation that comes before judgment. (Arcana Coelestia 2318)

In Genesis 30:16, this signifies the good or truth in a state of good, but in the obscurity that is characteristic of the natural. (Arcana Coelestia 3949)

48. Those of them who are in the heaven of the Mohammedans have only one wife, having rejected more. For there is a Mohammedan heaven distinct from the Christian heaven. But those who eventually, as many do, acknowledge the Lord as one with the Father are separated and are in heavens which communicate with the Christian heavens; and they have conjugial love.