Add Months to a Date in JavaScript

const date = new Date('2021-03-25');
console.log(addMonths(2, date)); 

How to get GMT time in JavaScript?

function GMTTime(date = new Date()) {
  return [
    toDigit(date.getUTCHours()),
    toDigit(date.getUTCMinutes()),
    toDigit(date.getUTCSeconds()),
  ].join(':');
}

function toDigit(num) {
  return num.toString().padStart(2, '0');
}

console.log(getGMTTime());

How to add minutes  in JavaScript?

var d1 = new Date (), d2 = new Date ( d1 );
 d2.setMinutes ( d1.getMinutes() + 30 );