Hi
Turns out it was a bug in joda 1.2.x
I upgraded to 1.5 and it now works swimmingly.
2008/9/9 Stephen Colebourne <[EMAIL PROTECTED]>:
> Is Oct 20th the daylight savings cutover date? Does 00:00 actually exist
> on that day? If not, then DateTime cannot represent it, as it only
> represents valid date-times.
>
> Stephen
>
>
> Matt Krevs wrote:
>> Hi all
>>
>> I'm having trouble working out how to set a date to midnight. It seems
>> that some timezone issues are causing me problems when I create
>> DateTime variable, and I'm a bit stumped regarding what I am doing
>> wrong.
>>
>> When I run my class DateTes, I get the following output
>>
>> Timezone is
>> sun.util.calendar.ZoneInfo[id="Australia/Sydney",offset=36000000,dstSavings=3600000,useDaylight=true,transitions=142,lastRule=java.util.SimpleTimeZone[id=Australia/Sydney,offset=36000000,dstSavings=3600000,useDaylight=true,startYear=0,startMode=3,startMonth=9,startDay=1,startDayOfWeek=1,startTime=7200000,startTimeMode=1,endMode=3,endMonth=3,endDay=1,endDayOfWeek=1,endTime=7200000,endTimeMode=1]]
>>
>> date is Mon Oct 20 02:00:00 EST 2008
>> dt is 2008-10-20T01:00:00.000+10:00
>> dt toDate Mon Oct 20 02:00:00 EST 2008
>> midnightDateTime is 2008-10-20T00:00:00.000+10:00
>> midnightDateTime toDate is Mon Oct 20 01:00:00 EST 2008
>> midnightDate is Mon Oct 20 01:00:00 EST 2008
>>
>> Basically I want to change the dat Mon Oct 20 02:00:00 EST 2008 to Mon
>> Oct 20 00:00:00 EST 2008
>>
>> When I create the DateTime variable though, it looks like some funky
>> timezone change occurs and it stores the date using a different
>> timezone? and a time of 1:00, so when I set the time to 0:00 it only
>> subtracts one hour. When I convert the DateTime back into a date i End
>> up with Mon Oct 20 01:00:00 EST 2008
>>
>> Can anyone help me out? How can I make jodatime preserve timezone data
>> so the DateTime variable has the same hour value (ie 2 oclock) as the
>> original java.util.Date variable?
>>
>> Thanks
>>
>> My class:
>>
>> import java.util.Date;
>> import java.util.TimeZone;
>>
>> import org.joda.time.DateTime;
>>
>> public class DateTest {
>>
>> public static void main(String args[]) {
>>
>> System.out.println("Timezone is " + TimeZone.getDefault());
>> // 20 Oct 2008 2:00:00
>> Date date = new Date(108, 9, 20, 2, 0, 0);
>> System.out.println("date is " + date.toString());
>>
>> DateTime dt = new DateTime(date.getTime());
>> System.out.println("dt is " + dt.toString());
>> System.out.println("dt toDate " + dt.toDate().toString());
>>
>> DateTime midnightDateTime = dt.withTime(0, 0, 0, 0);
>> System.out.println("midnightDateTime is " +
>> midnightDateTime.toString());
>> System.out.println("midnightDateTime toDate is " +
>> midnightDateTime.toDate().toString());
>>
>> Date midnightDate = midnightDateTime.toDate();
>> System.out.println("midnightDate is " + midnightDate.toString());
>> }
>> }
>>
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>
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