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How to get the abbreviated timezone using java api ?

Posts: 16
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Hello All ,

I want to get the abbreviated timezone like pst , cst , mdt etc .

Here the things I did .>>

I want to get the abbreviated timezone of the datbase - like cst , PDT, EST etc depending on the db location .

I am using at db > select dbtimezone from dual this gives me timeoffset like -06:00 ie GMT-06:00 . In java I had to take this value and display in the abbreviated form .

for reference http://www.timeanddate.com/library/abbreviations/timezones/

Pls help .

here comes the code I used.( Using hashtable i can get but its not recommended )

* To read data from a table that is present in spread sheet
* Author Mahesh Kumar Lala
* Date 08- 25- 2006.
* Version 1.0
import java.io.*;
import java.sql.*;
import java.util.Hashtable;
import java.util.Enumeration;
import java.util.TimeZone;

public class GetZone{


public static void main(String[] args){

Connection connection = null;
String UTCTimeZone = null;
Hashtable htbl = new Hashtable();
htbl.put("+00:00", "GMT");
htbl.put("+01:00", "CET");
htbl.put("+02:00", "EET");
htbl.put("-04:00", "EDT");
htbl.put("-05:00", "EST");
htbl.put("-06:00", "CST");
htbl.put("-07:00", "MST");
htbl.put("-08:00", "PST");
htbl.put("+08:00", "WST");
htbl.put("+09:00", "I");
htbl.put("-09:00", "AKST");
htbl.put("+09:30", "ACST");
htbl.put("+10:00", "AEST");
htbl.put("+10:30", "ACDT");
htbl.put("+11:00", "AEDT");

GetZone obj = new GetZone();
System.out.println("==>Driver loaded and registered");
Connection con = DriverManager.getConnection( "xxxxx","user","pwd" )
System.out.println("==>Connection obj is created");
Statement st = con.createStatement();
ResultSet rs = st.executeQuery(query);
System.out.println("==>ResultSet obj is created");
ResultSetMetaData rsmd = rs.getMetaData();
int numberOfColumns = rsmd.getColumnCount();
System.out.println("==>Reading the column names ");
for (int i = 1; i <= numberOfColumns; i++) {
if (i > 1) System.out.print(" ");
String columnName = rsmd.getColumnName(i);
System.out.println(" ");

while (rs.next()) {
for (int i = 1; i <= numberOfColumns; i++) {
if (i > 1) System.out.print(" ");
String columnValue = rs.getString(1);
System.out.print("THE ZONE IS FROM DB:- " + columnValue);
String ID = "GMT"+columnValue ;
TimeZone tz = TimeZone.getTimeZone(ID);
System.out.println( "THE TIMEZONE IS " + tz);
System.out.println("getID"+ tz.getID());
System.out.println("DisplayName" + tz.getDisplayName());
System.out.println("DisplayName" + tz.SHORT);


} catch(Exception ex) {
System.err.print("Exception: ");

After getting the dbtimezone , using hashtable and searching into it for key i can get the value like cst est etc but I don't want to use hashtable I want to use java api .

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Those abbreviations have been sort of deprecated since Java 1.3. If you look in that list to which you posted the link, it doesn't take long to find abbreviations that are ambiguous.
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