Engine Default Sky Sphere:

Blueprint'/Engine/EngineSky/BP_Sky_Sphere.BP_Sky_Sphere'
How to set up Sky Sphere

How to change Sky Color

Uncheck Colors Determined By Sun Position, and change Zenith Color

if uncheck Colors Determined By Sun Position, Sky Color would affect whole scene objects.

How to change Sun Position

In Level Editor, change the rotation of Directional Light.

Then click Refresh Material of Sky Sphere.

Reference: How to change basic sun position in editor (not PIE)?
https://answers.unrealengine.com/questions/317372/how-to-change-basic-sun-position-in-editor-not-pie.html


快乐属于那些选择了孤独的人,因为你是从那儿来的,而且你还要回到那儿去。——《托马斯福音》(GospelofThomas)