Reduces eye strain by adjusting 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

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

Python calculations for the position of the sun and moon.

Set macOS dark mode and Alfred dark theme at 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.

Night and day regions on Earth

自じ用よう天文てんもん算法さんぽう，公おおやけ历农历转换、八大やひろ行ぎょう星ほし位置いち、日出ひので日にち落月出で月がつ落时间、节气物ぶつ候こう时间等とう

KosherJava Zmanim API / Library

🌅 Go package that provides the sunrise and sunset equation

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

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.

A Rust library for calculating sun positions

A port of jonls/redshift to Rust