Reduces eye strain by adjusting screen gamma based on the current time

Adaptive Lighting custom component for Home Assistant

HA Lovelace card for control of scheduler entities

A Swift micro library for generating Sunrise and Sunset times.

Kelvin - The hue bot

Python calculations for the position of the sun and moon.

A command line application written in Rust capable of delaying execution of other programs for time periods relative to sunrise and sunset.

Go package for calculating the sunrise and sunset times for a given location

SunKit is a Swift library which uses math and trigonometry to compute several information about the Sun.

自用天文算法，公历农历转换、八大行星位置、日出日落月出月落时间、节气物候时间等

Night and day regions on Earth

KosherJava Zmanim API / Library

🚧 Version 4.0 coming soon! Awesome Skeleton for modern development on PHP 7.4+ (incl. PHP 8). Contains quality tested packages, thoughtful structure and everything you need to develop microservices.

Java sun position code (topocentric coordinates, sunrise/sunset/twilight) based on the NREL SPA and ENEA/Grena algorithms.

🌅 Go package that provides the sunrise and sunset equation

Sunrise and sunset time calculation for given coordinates. ~1kb minified with zero dependencies.

Custom integration to control LG Horizon settop boxes for Ziggo(NL), Magenta(AT), UPC(CH), Virgin(GB, IE), Telenet(BE)

A Python port of suncalc.js for calculating sun position and sunlight phases

🌅 A macOS app that sets your wallpaper based on sunrise and sunset.

Calculates the sunrise and sunset for a given date and location (using GEO coordinates). This library uses the method outlined NOAA Solar Calculations Day spreadsheet found at http://www.esrl.noaa.gov/gmd/grad/solcalc/calcdetails.html.