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Sunrise, sunset, and twilight times change every day, and also vary by location. The patented Skyclock display is derived using the location of the user’s device, and the date, using calculations made available by the United States Naval Observatory, and the National Renewable Energy Laboratory.

Skyclock on Android

Skyclock on Android takes advantage of some of the great aspects of the Android OS: 

  • Widget - yes, put Skyclock right on your home screen along with your other favorite apps!

  • Swipe the screen to see AM or PM sunrise, sunset, and twilight periods. 

  •  24 hour clock option that allows you to choose Midnight at the top or bottom of the display. 

  • Solar noon icon showing the time of day when the sun is highest. 

  • Choose which twilight periods you want to see on the screen (civil, nautical, astronomical)

  • See the time details for sunrise, sunset, and twilight by tapping the stat page icon

  • See your latitude / longitude coordinates​

 

Skyclock on iOS

Skyclock on the iPhone is where it all began: ​​

  • Swipe the screen to see AM or PM sunrise, sunset, and twilight periods. 

  •  24 hour clock option 

  • Solar noon icon showing the time of day when the sun is highest. 

  • Choose which twilight periods you want to see on the screen (civil, nautical, astronomical)

  • See the time details for sunrise, sunset, and twilight by tapping the rise/set button

  • See your latitude / longitude coordinates​

 

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