Java Utililty Methods Date GMT Format

List of utility methods to do Date GMT Format

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Description

The list of methods to do Date GMT Format are organized into topic(s).

Method

StringgetTimeAndDateAtGMT()
This method returns the current time in GMT. 
String pattern = "MMMMM dd, yyyy; H:mm";
SimpleDateFormat simpleformat = new SimpleDateFormat(pattern);
TimeZone tz = TimeZone.getTimeZone("GMT");
java.util.Calendar cal = Calendar.getInstance(tz);
simpleformat.setCalendar(cal);
String date = simpleformat.format(new Date());
return date + " GMT";
StringgetTzToGmt(String dateStr, String dateFormat, String beforeTimeZone, String afterTimeZone)
get Tz To Gmt 
SimpleDateFormat sdfBefore = new SimpleDateFormat(dateFormat);
sdfBefore.setTimeZone(TimeZone.getTimeZone(beforeTimeZone));
SimpleDateFormat sdfAfter = new SimpleDateFormat(dateFormat);
sdfAfter.setTimeZone(TimeZone.getTimeZone(afterTimeZone));
Date date = stringToDate(dateStr, sdfBefore);
String dateGmtEight = sdfAfter.format(date);
return dateGmtEight;
DateparseDate(String gmtTimeString)
parse Date 
try {
    DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
    df.setTimeZone(java.util.TimeZone.getTimeZone("GMT"));
    Date date = df.parse(gmtTimeString);
    return date;
} catch (ParseException e) {
    throw new RuntimeException("convrt to runtime exception", e);
DateparseGMT(String gmtTime)
parse GMT 
GMT_FORMAT.setTimeZone(TimeZone.getTimeZone("GMT"));
return GMT_FORMAT.parse(gmtTime);
DateparseGMTDatetime(String str)
parse GMT Datetime 
SimpleDateFormat sdf = getGMTDatetimeFormat();
return sdf.parse(str);
StringparseGMTTime(Long time, String format)
parse GMT Time 
Date date = new Date();
date.setTime(time);
SimpleDateFormat dformat = getDateParser(format);
return dformat.format(date);
StringtimeStampGMT(Date date)
Creates a formatted timestamp string of the given date in GMT. 
return timeStamp(date, GMT);
StringtoGMTString(Date d)
Returns a string representation of the given Date object of the form: d MMM yyyy hh:mm:ss GMT 
SimpleDateFormat formatter = new SimpleDateFormat("d MMM yyyy HH:mm:ss z", Locale.US);
formatter.setTimeZone(TimeZone.getTimeZone("GMT"));
return formatter.format(d);
StringtoGMTString(Date dtIn)
Convert a date into a format suitable for http headers etc "EEE, dd MMM yyyy HH:mm:ss z" 
if (dtIn == null)
    dtIn = new Date();
String sGMTFormat = "EEE, dd MMM yyyy HH:mm:ss z";
return formatDate(dtIn, sGMTFormat, Locale.UK, TimeZone.getTimeZone("GMT"));
StringtoStringWithoutGMT(Date date)
to String Without GMT 
return toStringWithoutGMT(date, null);