@hebcal/noaa

sunrise and sunset via NOAA algorithm with elevation, based on KosherJava

Introduction

This is a fork/subset of KosherZmanim library with Temporal replacing usage of Luxon.

Kosher Zmanim itself is a TS/JS port of the KosherJava library.

Installation

$ npm install @hebcal/noaa
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Synopsis

import {GeoLocation, NOAACalculator} from '@hebcal/noaa';
import {Temporal} from 'temporal-polyfill';

const latitude = 39.73915;
const longitude = -104.9847;
const elevtion = 1636;
const tzid = 'America/Denver';
const gloc = new GeoLocation(null, latitude, longitude, elevtion, tzid);
const plainDate = new Temporal.PlainDate(2020, 6, 5); // Friday June 5 2020
const noaa = new NOAACalculator(gloc, plainDate);

const zdt = noaa.getSunset();
console.log(zdt.toString()); // '2020-06-05T20:32:57.848-06:00[America/Denver]'
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API Documentation