Dawn Time — The instant if the higher edge of the solar disk gets to be visible over the horizon. This parameter relies on a lot of aspects, such as The placement and height of the observer higher than sea stage, the presence of road blocks over the horizon (mountains, http://digitaledemonen.nl/de-ultieme-gids-voor-het-kiezen-van-de-juiste-opstalverzekering-voor-uw-eigendom/