Sunrise Sunset Alarm at Mac App Store analyse

An alarm clock that rings with the sunrise, solar noon or solar midnight, and sunset using your current GPS location or up to 20 individual location settings. You can set an alarm for an hour before sunset and be home before dark or set an alarm 5 minutes before the sunrise and be up and out of bed by dawn! Particularly suitable for: Anyone who has things to do before it gets dark. Anyone who wants to wake up with the sun. Photographers and TV/Movie film crews. Mountain climbers, anglers, etc. The religiously observant. Vampires! In addition to the sunrise, solar noon, solar midnight, and sunset times, each location also displays the civil, nautical, and astrological twilight times for any date of your choosing. ------------------------------------------------- - Use your current GPS latitude and longitude data to display the sunrise and sunset times for any date: past, present, or future. - Set alarms for before or after the sunrise, solar noon, solar midnight, and sunset, including astronomical, nautical, and civil dawn and dusk times with different alarm sounds for each individual location. - Sunrise Sunset Alarm works even with the app is not running! Set your alarm and go. Use other apps, browse the web, save your battery, set and forget! ------------------------------------------------- - Alarm will not sound when "Do Not Disturb" is on - Alarm will only vibrate once when the ring/silent switch is set to silent. ------------------------------------------------- - All times and dates are displayed in the default device timezone. - All calculations are approximate. - For latitudes greater than 72 degrees N and S, calculations are accurate to within 10 minutes. - Errors in displayed times can be expected to increase as the distance from the equator increases, as elevation increases or decreases from sea level, and due to the surrounding terrain conditions.