BP_Sky_Sphere Resets on Play

Hi, the title kinda says it all.
I have the Sky Sphere blueprint set to use a DirLight actor.
Everytime I start the editor I have to Refresh the material, then when I run the scene it plays in default day mode.
Once I quit it goes back again.

How can I set it to play/simulate using the light direction I want it?

Could i have the level blueprint run the update function in the sky blueprint?
How would I go about handling that?