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Twilight Clock Applet   Enter latitude in decimal degrees, northern positive, southern negative, and press return key, enter longitude in decimal degrees, eastern positive, western negative, and press return key. 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°  Open the Java Console of your browser for a table of rise and set: Daylight Applet Night Hours Applet Please visit my GeoAstro Applet Collection   Last modified: 2023, Oct 06