Java DateUtils methods

private String getUTCTimeAfter(int hours)
{
 
SimpleDateFormat sdfUTC = new SimpleDateFormat(
"yyyy-MM-dd HH:mm:ss");
sdfUTC.setTimeZone(TimeZone.getTimeZone("UTC"));
Date date = new Date(System.currentTimeMillis()
+ (hours * 60 * 60 * 1000));
return sdfUTC.format(date);
}
 
private Date getLocalTime(String utcDateStr, SimpleDateFormat sdfUTC)
throws Exception
{
SimpleDateFormat sdfLocal = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
sdfLocal.setTimeZone(TimeZone.getDefault());
 
Date date = sdfUTC.parse(utcDateStr);
String localTimeStr = sdfLocal.format(date.getTime());
return sdfLocal.parse(localTimeStr);
 
}