Sun Intervals is described as 'Using a functional diagram and easy to read interface, Sun Intervals displays exactly how much daylight is left in the day in a large, while also allowing you to enable notification alerts for sunrise, sunset, first and last light times' and is an app in the Online Services category. There are more than 10 alternatives to Sun Intervals for a variety of platforms, including Android, iPhone, iPad, Online / Web-based and Mac. The best alternative is Suntimes, which is both free and Open Source. Other great apps like Sun Intervals are Natural Hour (Free, Open Source), Solar Clock: Circadian Rhythm (Freemium), Astro Clock Widget (Free) and Sun Surveyor (Paid).
The app: • displays the current time (system time zone, custom time zone, or solar time) • displays the time until the next rising/setting event. • displays the sunrise and sunset, blue and golden hour, and twilight times (civil / nautical / astronomical).
Solar Clock: Circadian Rhythm syncs the Solar time with your Local time and shows important events (Sunrise, Waking up, Breakfast, Lunch, Solar Noon, Sport, Sunset, Sleep Time, …) based on Circadian rhythm.
An astronomic clock widget, showing the sky with sun, moon and planets for your current location. Shows: - Current location and Clock (local time, sidereal time, true solar time) - Sun (includes rise and set times, ...) - Moon (includes rise, set, phase, coordinates...
Sun Surveyor calculates Sun and Moon Positions, Sunrise & Sunset and Moonrise & Moonset times, Solar Noon, Golden Hour and Blue Hour times, Moon Phases, Shadow Ratios and many other pieces of related information.
The Photographer's Ephemeris (TPE) helps you plan outdoor photography in natural light, especially landscape and urban scenes. It's a map-centric sun and moon calculator: see how light will fall on the land, day or night, for any location on earth.
SunIZup helps you to know the timings of the various Sunlight phases including the Golden Hour and Blue Hour (also known as Magic Hour by photographers and cinematographers) for any selected location and any given date.
Know the time of sunrise and sunset at any time. Sunset Time is an elegant app that shows you Sunrise, Sunset, First and Last Light times for the exact place where you are or for any location in the World.