JSFiddle - React, Tailwind, and code Playground

JavaScript

var to_date = new Date();
to_date.setHours(0,0,0,0);
to_date.setUTCHours(15);
to_date.setUTCMinutes(25);
var to_utc = new Date(to_date.getUTCFullYear(), 
              to_date.getUTCMonth(), 
              to_date.getUTCDate(), 
              to_date.getUTCHours(), 
              to_date.getUTCMinutes(), 
              to_date.getUTCSeconds());
var to_unix = Math.round(to_utc.getTime() / 1000);
console.log(to_unix);
console.log(new Date(to_unix*1000));