JSFiddle - React, Tailwind, and code Playground
JavaScript
var s = new Date('2020-03-23 12:01:00');
var e = new Date();
alert(Math.round((((e-s) % 86400000) % 3600000) / 60000));
var s = new Date('2020-03-23 12:01:00');
var e = new Date();
alert(Math.round((((e-s) % 86400000) % 3600000) / 60000));