1. No Weather
2. Bright
3. Void
4. Single Biome
5. I used Mushroom biome but any should work. Mushroom has no mobs.
6. End
7. Zero Length
8. Normal Sun (or Dark Sun, if you wish)
9. Setting (or Rising or Noon)
10. Any Length
11. Normal Moon
12. Repeat to add more moons, I have 4 at different lengths and it's really cool watching them cross over each other
(13b. Color of Stars, if desired) I used Black white white and yellow white white with normal J did colors!
14. Normal Stars
15. Boundless Sky
16. Black
17. Fog Color
18. Black
19. Cloud Color
20. Clear Modifiers