This plugin allowes you to change the whole level to night and day
It makes a vote after 75 seconds from mapstart.
It changes the sky WITHOUT restarting the map
I know it is made But at the other plugins you NEED to restart the map for a skychange, and there is no vote.

On/Off cvar: sv_daynight
Make a vote: amx_voteday

I wanted to keep this for personal use but i changed my mind, have fun with it!