JSFiddle - React, Tailwind, and code Playground

by graphettion

JavaScript

Date.prototype.getJulian = function() {
  return Math.floor((this / 86400000) - (this.getTimezoneOffset() / 1440) + 2440587.5);
}

var today = new Date(); //set any date
var julian = today.getJulian(); //get Julian counterpart

console.log(julian)

console.log(new Date())