Java Utililty Methods TimeZone To

List of utility methods to do TimeZone To

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Description

The list of methods to do TimeZone To are organized into topic(s).

Method

TimeZonecreateTimeZoneFromDouble(double timeZoneOffsetInHours)
create Time Zone From Double 
long offsetInMinutes = Math.round(timeZoneOffsetInHours * 60d);
if (offsetInMinutes == 0) {
    return TimeZone.getTimeZone("GMT");
return TimeZone.getTimeZone(getTimeZoneString(offsetInMinutes * minutesToMillis));
DateextractTimeZone(String strdate, Date thedate)
extract Time Zone 
String tzSign = strdate.substring(strdate.length() - 6, strdate.length() - 5);
String tzHour = strdate.substring(strdate.length() - 5, strdate.length() - 3);
String tzMin = strdate.substring(strdate.length() - 2);
if (tzSign.equals("-") || tzSign.equals("+")) {
    int h = Integer.parseInt(tzHour);
    int m = Integer.parseInt(tzMin);
    if (tzSign.equals("+")) {
        h = -1 * h;
...
TimeZoneparseTimeZoneString(String timeZoneString)
Parse the given timeZoneString value into a TimeZone . 
TimeZone timeZone = TimeZone.getTimeZone(timeZoneString);
if ("GMT".equals(timeZone.getID()) && !timeZoneString.startsWith("GMT")) {
    throw new IllegalArgumentException("Invalid time zone specification '" + timeZoneString + "'");
return timeZone;
voidsetTimeZone(String name)
Temporarily sets the default system timezone to the specified timezone ID. 
systemTimeZone.set(TimeZone.getDefault());
TimeZone.setDefault(TimeZone.getTimeZone(name));
StringtimeZoneToCode(TimeZone tz)
time Zone To Code 
return timeZoneToString(tz);
StringtimeZoneToString(TimeZone tz)
time Zone To String 
return tz != null ? tz.getID() : "";
DatetoLocalTZ(Date time, TimeZone localTimeZone)
to Local TZ 
if (localTimeZone == null) {
    return time;
return new Date(time.getTime() + (localTimeZone.getRawOffset() - TimeZone.getDefault().getRawOffset()));