Best Solar Circadian Clock Apps

Sun Based Time

Align your life with the sun

Free

This app uses the sun's position to help you schedule your day and set alarms. It offers features like countdowns to sunrise and sunset, and alarms based on solar events or desired sleep duration. Visualize the sun's path and integrate with your calendar for a natural approach to time management.

My Circadian

by Jake Adams

Free

Optimize your light exposure and sleep schedule for better circadian health. This tool provides personalized intervals to help you maintain a regular sleep-wake cycle and manage light exposure, crucial for overall well-being.

Opsin: Circadian Sun & Sleep

Sunlight timing, better sleep

Free

This app helps regulate your body's natural clock by syncing your daily activities with the sun. It provides personalized light timing windows, a dynamic dawn alarm, and tracks the impact of light on your sleep and recovery. Jet-lag plans and optional smart home integration are also available.

True Solar Time

by Kazansky Apps, LLC

Free

This application displays the actual solar time based on your location and the Earth's rotation. It shows sunrise, sunset, and midday times, helping you understand your position relative to the sun. Features include location and date selection, a list of muhurtas, and easy-to-read fonts.

Noonish - discover local solar times.

by Rotblauer, LLC

Free

This app calculates true solar time, mean solar time, and solar/lunar events based on your current location. It's designed for those curious about esoteric timekeeping or needing to understand solar phenomena.

Sol: Sun Clock

Daylight Forecaster & Alarm

$4.99

Forecast sunrise, sunset, and twilight times for any location and date. Set smart alarms that adjust with the seasons and receive detailed solar almanac information. Plan your day around natural light, perfect for photography, outdoor activities, or maintaining sleep cycles.

Circadian Rhythm: DawnPal

Wake up at sunrise anywhere

Free

This app helps you align with natural daylight cycles for better sleep and increased energy. It uses your location to determine sunrise times and calculates an ideal bedtime based on your desired sleep duration, promoting a healthier start to your day.

Circadian Rhythm: Body Clock

Sleep Tracker & Energy Booster

Free

Align your daily routines with your body's natural biological clock. Gain personalized insights to improve sleep, boost energy, and enhance focus by understanding your circadian rhythm. Optimize your day with alerts for hormone peaks and sunlight guidance.

Solar Time

by Piet Jonas

$0.99

Displays the apparent solar time, reflecting what a sundial would show based on your location and the sun's position. It accounts for longitude, the solar equation, and daylight saving time, with a visually dynamic background.

Solar Watch

Sun, Moon and Eclipses

Free

Visualize the sun and moon's paths in augmented reality and on interactive 3D maps. Access detailed data tables for celestial events, shadow simulations, and more. Ideal for professionals and enthusiasts needing precise solar and lunar information.

SunCalc.net

compass for life

Free

This application provides real-time information about sunrise and sunset times. It also includes a compass, world time display, and weather forecasts, making it a comprehensive tool for understanding solar events and local conditions.

Sun Clock App

by Piet Jonas

Free

This utility app displays the current time and the sun's position for your location. It shows solar time, sunrise, and sunset, with options to toggle seconds and 12/24-hour formats. The app automatically updates your location and can keep your device awake for continuous display.