Re: Timestamp confusion

For me it seems that the time is shown using ISO-8601 format. Some
reading on datetime and timestamps conversion:
http://www.postgresql.org/docs/8.0/static/datatype-datetime.html
http://www.postgresql.org/docs/8.0/static/functions-datetime.html#FUNCTIONS-DATETIME-ZONECONVERT

Hope that helps.

Regards
Luke

2010/9/28 Rob Richardson <Rob(dot)Richardson(at)rad-con(dot)com>:
> Greetings!
>
> I have a table with a column declared to contain a timestamp with time
> zone.  A database function inserts a row into this table using the
> following statement:
>
> insert into alarm_hold (charge, hold_code, hold_generated,
> condition_date) values (ChargeNum, '0471', 0, current_timestamp at time
> zone 'UTC');
>
> The resulting value contained in the timestamp field is 2010-09-28
> 13:09:27.015-04.
>
> Since I am in the Eastern time zone of the United States and daylight
> savings time is in effect, the -04 indicates that it is 4 hours earlier
> for me than it is in Greenwich, England.  And this value was generated
> at 9:09 this morning local time, so the 13:09 is understandable.
>
> The thing I am confused about is why the "-04" is there.  This timestamp
> should show a UTC time.  But with the -04 in there, it seems to me that
> it is showing an Eastern Daylight Time time.
>
> What don't I understand?
>
> Thanks very much!
>
> RobR
>
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--
Łukasz Brodziak
II MU Bioinformatyka