Re: Re: Problem with Dates

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Christopher Sawtell <csawtell@xtra.co.nz>
Cc: "Glen and Rosanne Eustace" <agree@godzone.net.nz>, pgsql-sql@postgresql.org
Date: 2001-01-26T15:05:15Z
Lists: pgsql-sql
Christopher Sawtell <csawtell@xtra.co.nz> writes:
> On Fri, 26 Jan 2001 12:46, Glen and Rosanne Eustace wrote:
> [ ... ]

>> template1=# select '31/12/2000'::date + '365 days'::timespan;
>> ?column?
>> ------------------------
>> 2002-01-01 00:00:00+13    <<<<<<<<<<< Wrong
>> (1 row)

> [ ... ]

> I get the same result. This business of crooked dates in NZ summertime
> is frequently because the rest of the world can't  twig on to the notion that
> it is possible to have GMT + 13, and do not take account of it in date/time 
> calculations.

Could one of you try it in 7.1 (beta3 or later)?  We've changed some
details of the way daylight-savings transitions are handled in
date-to-timestamp conversions, so I think this might be fixed now.
It's worth checking anyway.

Also, what do you get from '31/12/2000'::date::timestamp?

			regards, tom lane