Dawn Time — The instant when the higher fringe of the photo voltaic disk gets obvious on the horizon. This parameter depends upon a lot of elements, which include the location and height of the observer over sea degree, the existence of hurdles within the horizon (mountains, homes), atmospheric refraction, http://digitaledemonen.nl/de-ultieme-gids-voor-het-kiezen-van-de-juiste-opstalverzekering-voor-uw-eigendom/