Sun Alarm Clock vs Arrebol

Wake up with the sun. Never miss golden hour. Sun Alarm turns sunrise, sunset, and other sun and moon events into reliable daily alarms — at any place on Earth. **Set alarms for natural events** • Sunrise and sunset • Solar noon • Golden hour and blue hour (morning and evening) • Civil, nautical, and astronomical twilight • Moonrise, moonset, and moon transit • Moon phases: full moon, new moon, first quarter, third quarter, crescents, gibbous • Custom sun altitude (e.g. “sun 5° above horizon”) • Next equinox and solstice **Flexible timing** • At the exact event time, or any number of hours and minutes before or after • Alarms follow the event every day (or next occurrence for moon phases and equinox/solstice) **Any location** • Choose a place on the map or search for a city • Correct time zone for the chosen location, so alarm times stay accurate when you travel or when daylight saving changes **Designed for daily use** • Multiple alarms, each with its own type, place, and offset • Optional names • Snooze and clear from Lock Screen and notifications SunAlarm uses your chosen location’s coordinates and time zone to compute event times, so you get one less thing to think about—and one more reason to look up at the sky. By using SunAlarm, you agree to Apple's standard Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Drag through the day and watch the light change: sunrise, sunset, golden hour, blue hour and the chance of a burning sky, at a glance. • Sunrise, sunset, golden and blue hour, with a countdown • Earth’s Light: turn the globe to see day, twilight and city lights everywhere right now • Shadow: a 3D tree in this moment’s sunlight, showing how long its shadow falls and which way • Chance of a burning sky, and a sky drawn from the forecast • Constellations in AR: hold up your phone to find all 88 • Sun & moon map and AR sky path • Sunrise, sunset and golden hour alerts • Multiple saved places, each in its local time • 24-hour cloud and 10-day outlook • Eclipses, meteor showers, aurora • Widgets and Dynamic Island countdown Weather: Apple Weather. Space weather: NOAA SWPC. Eclipse predictions: Fred Espenak, NASA GSFC. Earth imagery: NASA.