JSFiddle - React, Tailwind, and code Playground

by Vladymyr Shevchuk

JavaScript

const from = new Date(2020, 0, 20);
const to = new Date(2020, 1, 1).setHours(24);

const millisecondsToDays = ms => ms / (24 * 60 * 60 * 1000);
const totalDays = millisecondsToDays(to - from);

console.error('totalDays', totalDays);