Date.prototype.getUTCMinutes()

const date1 = new Date("1 January 2000 03:15:30 GMT+07:00");
const date2 = new Date("1 January 2000 03:15:30 GMT+03:30");

console.log(date1.getUTCMinutes()); // 31 Dec 1999 20:15:30 GMT
// Expected output: 15

console.log(date2.getUTCMinutes()); // 31 Dec 1999 23:45:30 GMT
// Expected output: 45

var today = new Date();
var minutes = today.getUTCMinutes();