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New SunClock Applet   The applet parameters may be edited for your home location: enter latitude<0 if South, enter longitude<0 if East of Greenwich. 52.41 N and 13.41 E is Berlin (Germany).   civil twilight: 0° < sun elevation < - 6° nautical twilight: - 6° < sun elevation < - 12° astronomical twilight: - 12° < sun elevation < - 18°   Daylight Applet Night Hours Applet Please visit my GeoAstro Applet Collection   Last modified: 2008, Jul 11