javascript dnes dátum v epoche
const start = Date.now();
/*gives the number of milliseconds elapsed since January 1, 1970 00:00:00 UTC.*/
previesť milisekundy na čas javascript
function msToTime(s) {
// Pad to 2 or 3 digits, default is 2
function pad(n, z) {
z = z || 2;
return ('00' + n).slice(-z);
}
var ms = s % 1000;
s = (s - ms) / 1000;
var secs = s % 60;
s = (s - secs) / 60;
var mins = s % 60;
var hrs = (s - mins) / 60;
return pad(hrs) + ':' + pad(mins) + ':' + pad(secs) + '.' + pad(ms, 3);
}
console.log(msToTime(55018))
javascript získať aktuálny čas
var date = new Date(Date.UTC(2012, 11, 20, 3, 0, 0));
// formats below assume the local time zone of the locale;
// America/Los_Angeles for the US
// US English uses 12-hour time with AM/PM
console.log(date.toLocaleTimeString('en-US'));
// "7:00:00 PM"
// British English uses 24-hour time without AM/PM
console.log(date.toLocaleTimeString('en-GB'));
// "03:00:00"