Borisvvv

let date = new Date();
let min = date.getMinutes();
let hh = date.getHours();
let dd = date.getDate();
let mm = date.getMonth() + 1; //так как месяца начинаются с 0
let yy = date.getFullYear();

(hh <= 12) ? dd += 1 : dd += 2;

if (min < 10) min = "0" + min;
if (hh < 10) hh = "0" + hh;
if (dd < 10) dd = "0" + dd;
if (mm < 10) mm = "0" + mm;

let neededDate = `${dd}.${mm}.${yy} ${hh}:${min}`;

let div = document.createElement('div');
div.innerHTML = `<p> ${neededDate} </p>`;
document.body.append(div);