String pattern1 = "yyyy-MM-dd HH:mm:ss";
String pattern2 = "EEE, dd MMM yyyy HH:mm:ss";
SimpleDateFormat sf = new SimpleDateFormat(pattern2);
String time = "Fri, 24 Nov 2006 10:15:00";
Date d = new Date(time);
sf.applyPattern(pattern1);
String s = sf.format(d);
System.out.println(s);