How to convert minutes to hours/minutes and add various time values together using jQuery?

Question

There are a couple parts to this question. I am not opposed to using a jQuery plugin if anyone knows of one that will accomplish what I want done.

Q1 - How d

Answer 1

This code can be used with timezone

javascript:

let minToHm = (m) => {
  let h = Math.floor(m / 60);
  h += (h < 0) ? 1 : 0;
  let m2 = Math.abs(m % 60);
  m2 = (m2 < 10) ? '0' + m2 : m2;
  return (h < 0 ? '' : '+') + h + ':' + m2;
}

console.log(minToHm(210)) // "+3:30"
console.log(minToHm(-210)) // "-3:30"
console.log(minToHm(0)) // "+0:00"

minToHm(210)
"+3:30"

minToHm(-210)
"-3:30"

minToHm(0)
"+0:00"