Hopefully there'll be some daylight. I'm guessing that a lot (all?) of the media released so far is at night because it makes for "cool" screenshots and movies.
emm, maybe u had bad memory...did u remember U2??? when sometimes it was also a depressing "afternoon-night"?, well maybe it's going to be the same with carbon, but EA could have release just 1 pic of daytime, but they dont do it yet....