Kingdom of Knuffel

Your ability lies within changes in temperature. Creating an absence of heat and causing extreme heat are just as easy as breathing for you.

you can turn day into night and night into day

You are a muse. :}

you can sneak up on anyone, and it helps you conquer the world

your power is to fly

You know how some have chameleon-powers in that their skin changes to camouflage against whatever background they are near?
You have the superpower of social camouflage. You become a culture-chameleon; and can instantly take on the mannerisms and zeitgeist of the people around you, falling into the local vernacular, superstitions, and habits with instant fluency.

you control fire

You've got stage-magic, except it's real magic. You control with your thoughts your personal sound and lighting, so that you have your own theme music, a melody whose volume and tempo and all other details mimic perfectly the mood you are conveying, and your personal spotlight doesn't depend on any grip, no matter how good a light technician.

You can control the Sun and decide when and if it goes out.

your power is to see the future