function attachEventsListeners() {
    const buttons = document.querySelectorAll('input[type="button"]');
    const inputFields
let now = new Date();
alert( now ); // shows current date/time
// 0 means 01.01.1970 UTC+0
let Jan01_1970 = new Date(0);
alert( Jan01_1970 );
https://mega4upload.com/lxu8wexdl3fx