Java Utililty Methods UTC Date

SimpleDateFormat sdf = new SimpleDateFormat("MM-dd-yyyy hh:mm");
Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
return sdf.format(cal.getTime());

try {
    SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
    Date now = Calendar.getInstance().getTime();
    Date theDate = format.parse(date);
    theDate.setHours(now.getHours());
    theDate.setMinutes(now.getMinutes());
    format.setTimeZone(TimeZone.getTimeZone("UTC"));
    format.applyPattern(pattern);
...

DateFormat df = new SimpleDateFormat("yyyyMMddHHmmss", Locale.ENGLISH);
Date result = df.parse(date);
return getUTCDate(result.getTime());

Date curDate = new Date();
SimpleDateFormat format = new SimpleDateFormat(UTC_DATE_FORMAT);
return format.format(curDate);

DateFormat df = new SimpleDateFormat(UTC_DATE_FORMAT);
df.setTimeZone(TimeZone.getTimeZone("GMT"));
return df.format(timeStamp);

String DATEFORMAT = "yyyy-MM-dd HH:mm:ss";
final SimpleDateFormat sdf = new SimpleDateFormat(DATEFORMAT);
sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
final String utcTime = sdf.format(new Date());
return utcTime;

return FormatAsUtc(new Date());

SimpleDateFormat formatter = (SimpleDateFormat) DateFormat.getDateTimeInstance(DateFormat.MONTH_FIELD,
        DateFormat.LONG, Locale.US);
formatter.setTimeZone(TimeZone.getTimeZone(TIME_ZONE_GMT));
formatter.applyPattern(EEE_DD_MMM_YYYY_HH_MM_SS_Z_FORMAT);
return formatter.format(new Date());

Date currentTime = new Date();
SimpleDateFormat sdf = new SimpleDateFormat("EEE, MMM d, yyyy hh:mm:ss a z");
sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
return sdf.format(currentTime);

final DateFormat rfc1123Format = new SimpleDateFormat(RFC1123_PATTERN, LOCALE_US);
rfc1123Format.setTimeZone(UTC_ZONE);
return rfc1123Format.format(inDate);