npm install julian-date
<script src="julianDate.min.js"></script>
<script>
var j = new JulianDate();
</script>var JulianDate = require('julian-date');
var j = new JulianDate();
// Get the julian date
j.julian(); // 2457088.5
// Get the javascript date
j.getDate(); // Fri Mar 06 2015 19:00:00 GMT-0500 (EST)
// Get the julian days
j.julianDays(); // 5543.5var JulianDate = require('julian-date');
var j1 = new JulianDate().julian(2457088.5);
j1.getDate() // Fri Mar 06 2015 19:00:00 GMT-0500 (EST)
var j2 = new JulianDate().julianDays(5543.5)
j2.getDate() // Fri Mar 06 2015 19:00:00 GMT-0500 (EST)