Dawn Time — the moment when the higher fringe of the photo voltaic disk turns into noticeable to the horizon. This parameter depends on a lot of elements, for instance the location and height with the observer earlier mentioned sea amount, the existence of road blocks over the horizon (mountains, http://digitaledemonen.nl/de-ultieme-gids-voor-het-kiezen-van-de-juiste-opstalverzekering-voor-uw-eigendom/