2 packages tagged with “twilight”
Find when sunrise, sunset, and different twilights happen for a given location, based on the NOAA ESRL Solar Calculator. Features high accuracy across several millenia, atmospheric refraction, a simple enumeration-based API, and multiple/missing events during polar night/day/twilight at extreme latitudes.
Astronomy calculations for HVO projects — solar/lunar position, sunrise/sunset, twilight, moon phase, planetary ephemeris, and coordinate transforms.