var days = new Array(8);
days[1] = "Sonntag";
days[2] = "Montag";
days[3] = "Dienstag";
days[4] = "Mittwoch";
days[5] = "Donnerstag";
days[6] = "Freitag";
days[7] = "Samstag";

var months = new Array(13);
months[1] = "Jan.";
months[2] = "Feb.";
months[3] = "Mär.";
months[4] = "Apr.";
months[5] = "Mai";
months[6] = "Jun.";
months[7] = "Jul.";
months[8] = "Aug.";
months[9] = "Sep.";
months[10] = "Okt.";
months[11] = "Nov.";
months[12] = "Dez.";

var dateObj = new Date()
var dia = days[dateObj.getDay() + 1]
var mes = months[dateObj.getMonth() + 1]
var data = dateObj.getDate()
var ano = dateObj.getFullYear()
document.write(dia + " - " + data + ". " + mes + " " + ano)