" The sun was setting on Coruscant. Shadows ran like black water, filling up the the alleys first, then climbing steadily higher, a tide of darkness rising to drown the capital. Twilight’s gloom spread over retail districts and medcenters, and crept like a dark stain up the walls of the Chancellor’s residence as the sun slipped below the horizon. Soon only the rooftops were gilded with the day’s last yellow light; then the shadows conquered them, too, swarming up "

― Sean Stewart , Yoda: Dark Rendezvous