Sun Alarm

Contains adsIn-app purchases
4.0
475 reviews
10K+
Downloads
Content rating
Everyone
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About this app

Sun Alarm lets you define alarms for these sun related events:

- Sunrise
- Sunset
- Noon
- Astronomical twilight
- Nautical twilight
- Civic twilight
- Golden hour
- Blue hour

The alarm time is either the time of the event or a time period before or after the event.
Updated on
Sep 7, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

Ratings and reviews

4.0
459 reviews
Adam Gold
June 9, 2024
I like being able to set sunrise/sunset alarms with a specific offset. However, the app is failing to trigger vibrations when the alarms go off even though the vibrate option is selected. This makes the app pretty useless for me since I don't want to play audio, so I never know when the alarm has gone off until I happen to look at my phone. (Pixel 6 pro)
1 person found this review helpful
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Inge Mercado
January 9, 2024
I just realized why I had not heard my alarm in the mornings lately. Apparently, instead of notifications, this app uses media volume (my media volume is turned off usually because of ads when I play games.) I am so thrilled to find this. I can wake up with the actual sunrise, not a light wanting to be a sunrise. I have been wanting to reset my body's clock to match the solar cycle for quite a while now. Limited alarms free, as many as you want for a reasonable rate. Thank you.
9 people found this review helpful
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Feral Shade
February 27, 2021
Setting the alarm is perfect! I can program it exactly the way I need. However, dismissing the alarm is a nightmare sometimes! If I'm not near my phone (i.e, if I'm asleep), the alarm sounds, the notification appears, then quickly disappears, and the alarm gets louder and LOUDER and LOUDER!!!.... with no button to turn it off!! Eventually, if I hunt for, and open the app, it finally stops.... but in the meantime, it's very embarrassing as everyone in my building can hear it. Please fix this!!
15 people found this review helpful
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Volker Voecking Software Engineering
February 26, 2021
In the app settings you can find an option for controlling the increasing volume. There you can also enable "Shake to dismiss alarm" as an additional method for dismissing an alarm.