YearFromTime.js
415 Bytes
'use strict';
var GetIntrinsic = require('../GetIntrinsic');
var $Date = GetIntrinsic('%Date%');
var callBound = require('../helpers/callBound');
var $getUTCFullYear = callBound('Date.prototype.getUTCFullYear');
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.3
module.exports = function YearFromTime(t) {
// largest y such that this.TimeFromYear(y) <= t
return $getUTCFullYear(new $Date(t));
};