This post originated from an RSS feed registered with Java Buzz by Michael Cote. Original Post: Time Zone Madness! Feed Title: Cote's Weblog: Coding, Austin, etc. Feed URL: https://cote.io/feed/ Feed Description: Using Java to get to the ideal state. Latest Java Buzz Posts Latest Java Buzz Posts by Michael Cote Latest Posts From Cote's Weblog: Coding, Austin, etc.

import java.util.*;
import java.text.*;

public class TimeConvert
{
    public static void main(String [] args)
    {
	if (args == null)
	    {
		System.out.println("Usage: TimeConvert [tz |  [time zone]]");
	    }
	else
	    {
		if (args[0].equals("tz"))
		    {
			String [] tzs = TimeZone.getAvailableIDs();
			List timeZones = Arrays.asList(tzs);
			Collections.sort(timeZones);
			for (Iterator itr = timeZones.iterator(); itr.hasNext();)
			    {
				System.out.println(itr.next());
			    }
			return;
		    }

		long mills = Long.valueOf(args[0]);

		// display in passed in timezone
		if (args.length > 1)
		    {
			DateFormat f = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL);
			f.setTimeZone(TimeZone.getTimeZone(args[1]));
			System.out.println(f.format(new Date(mills)));
		    }
		else
		    {
			System.out.println(new Date(mills));
		    }
	    }
    }
}