SAP C4C date from epoch conversion example
by katalin_2003
HTML
<div id='eu-date'></div>
<div id='letter-date'></div>
CSS
body {
font-family: sans-serif;
}
JavaScript
// C4C date example:
// "CloseDate": "/Date(1666915200000)/"
// All Opportunities in JSON (replace XXXXXX with the tenant)
// https://myXXXXXX.crm.ondemand.com/sap/c4c/odata/v1/c4codata/OpportunityCollection/?$format=json
const monthNamesENLong = ["January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December"
];
const monthNamesENShort = ["Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
];
const opDateEpoch = '1704063540000';
const opDateInt = parseInt(opDateEpoch, 10);
// console.log(new Date(opDateInt));
var oppTimeStampToDateTime = new Date(opDateInt);
var oppYear = oppTimeStampToDateTime.getFullYear();
// TODO: Add leading zero if below 10
// test with opDateEpoch as 1705363200000
var oppMonth = oppTimeStampToDateTime.getMonth() + 1;
var oppMonthString = monthNamesENShort[oppTimeStampToDateTime.getMonth()]; // No need for '+1'
var oppDay = oppTimeStampToDateTime.getDate();
var opDate = oppDay + "-" + oppMonth + "-" + oppYear;
var opDateString = oppDay + "-" + oppMonthString + "-" + oppYear;
var euDate = document.getElementById('eu-date');
var letterDate = document.getElementById('letter-date');
euDate.innerHTML = '1674518400000 becomes: ' + opDate;
letterDate.innerHTML = '1674518400000 becomes: ' + opDateString;
// Open the dev console and check this out :)
console.log(opDate);
console.log(opDateString);