JSFiddle - React, Tailwind, and code Playground

JavaScript

var arr= ["17:30:48","19:30:48","17:30:48","19:30:48","17:30:48","19:30:48","17:30:48","19:30:48","17:30:48","19:30:48","17:30:48","19:30:48"];

arr.sort(function (a,b) {
    if(a > b) { return -1; }
    if(a < b) { return 1; }    
    return 0;
});

console.log(arr[0]);