[Feature request] Include color temperature

[hooby3dfx]

Feature request: Include color temperature based on the location / time / position of the sun.

Some Proposed methods for calculating this are discussed here:
https://physics.stackexchange.com/questions/66448/how-do-you-estimate-colour-temperature-based-on-the-position-of-the-sun-in-the-s

For example at sunrise something like 2000 Kelvin (CCT).