sunmoontimes
A JavaScript library to calculate sunrise, sunset, moonrise, moonset and twilight times based on latitude, longitude, date, and timezone.
astronomy-bundle
Bundle for astronomical calculations such as position of moon, sun and planets, sunrise, sunset or solar eclipses. Most of the calculations are based on Jean Meeus 'Astronomical Algorithms' book and the VSOP87 theory.
@modern-dev/daylight
Daylight - is a tiny JavaScript library for basic sun/moon position/times/phase calculations.
astrokit
Toolkit for solar system ephemerides and satellite propagation via SGP4