Dawn Time — the moment in the event the upper fringe of the solar disk gets obvious around the horizon. This parameter is determined by lots of things, for example The situation and height in the observer earlier mentioned sea amount, the presence of hurdles to the horizon (mountains, residences), http://digitaledemonen.nl/de-ultieme-gids-voor-het-kiezen-van-de-juiste-opstalverzekering-voor-uw-eigendom/