Calling forOffsetHours returns a time zone with a fixed offset, as per
the documentation. A fixed offset of 6 hours is not equivalent to CST,
which has DST rules and other historical transitions. There isn't any
API in Joda-Time which returns time zones which match a given offset
because it would return many of them.
Ron Olson wrote:
> Hi all-
>
> I assume I'm doing something wrong here, but I've been going through
> the docs and haven't come up with a reason why this should be
> happening.
>
> Basically, if I create a new DateTime object and pass it a
> DateTimeZone instance called from forOffsetHours(), when I try to
> print the time using the DateTimeFormatter, I get -06:00 instead of
> CST. Below is an example:
>
> import org.joda.time.DateTime;
> import org.joda.time.DateTimeZone;
>
> import org.joda.time.format.DateTimeFormat;
> import org.joda.time.format.DateTimeFormatter;
>
> public class TimeTest
> {
> public static void main(String[] args)
> {
> DateTime dt = new DateTime();
> DateTimeFormatter calendarTimeFormat =
> DateTimeFormat.forPattern("hh:mm a z");
> System.out.println(dt.toString() + " - " +
> calendarTimeFormat.print(dt));
>
> Integer timeZoneOffset = -6;
>
> // And put them together
> DateTime birthDateTime = new DateTime( 2004,
> 12,
>
> 27,
>
> 16,
>
> 44,
>
> 0,
>
> 0,
>
> DateTimeZone.forOffsetHours(timeZoneOffset));
>
> System.out.println(birthDateTime.toString() + " - " +
> calendarTimeFormat.print(birthDateTime));
> }
>
> }
>
> This will print (as of a couple of minutes ago):
>
> 2008-11-22T23:06:27.399-06:00 - 11:06 PM CST
> 2004-12-27T16:44:30.533-06:00 - 04:44 PM -06:00
>
>
> Might anyone have an idea why this is happening? Any help would be
> appreciated.
>
> Ron
>
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