Re: Is TimeZone applied with TIMESTAMP WITHOUT TIME ZONE and Extract( EPOCH ...)?

ok got it.

select EXTRACT( EPOCH FROM '2010-04-01 00:00:00'::TIMESTAMP WITHOUT TIME
ZONE at time zone 'utc' );

On Thu, Mar 17, 2011 at 11:32 AM, bubba postgres
<bubba(dot)postgres(at)gmail(dot)com>wrote:

> no.. still confused.
> I assume it's storing everythign in UTC.. did I need to specify a timezone
> when I inserted?
>
>
>
> On Thu, Mar 17, 2011 at 11:24 AM, bubba postgres <bubba(dot)postgres(at)gmail(dot)com
> > wrote:
>
>> Looks like a quick search says I need to specify the timezone...
>>
>>
>> On Thu, Mar 17, 2011 at 11:22 AM, bubba postgres <
>> bubba(dot)postgres(at)gmail(dot)com> wrote:
>>
>>>
>>> I'm noticing some interesting behavior around timestamp and extract
>>> epoch, and it appears that I'm getting a timezone applied somewhere.
>>>
>>> Specifically, If I do:
>>> select EXTRACT( EPOCH FROM '2010-01-31 00:00:00'::TIMESTAMP WITHOUT TIME
>>> ZONE ); == 1264924800
>>> select EXTRACT( EPOCH FROM '2010-04-01 00:00:00'::TIMESTAMP WITHOUT TIME
>>> ZONE ); == 1270105200
>>>
>>> Now if I do something similar in Java.. using a GregorianCalendar, with
>>> "GMT" TimeZone.
>>> I get
>>> Hello:2010-01-31 00:00:00.000 (UTC)
>>> Hello:1264896000000
>>>
>>> Hello:2010-04-01 00:00:00.000 (UTC)
>>> Hello:1270080000000
>>>
>>> Which gives a difference of 8 and 7 hours respectively, so both a
>>> timezone and a DST shift are at work here.
>>>
>>> Is this the expected behavior of extract epoch, is there a way to get it
>>> to always be in GMT?
>>>
>>>
>>>
>>>
>>>
>>
>