Looking at wikipedia it says BST = British Summer Time UTC+1h which means that your system time is (correctly) set to your local timezone in London. The default time zone for MySQL is your system time zone so it will save timestamps accordingly. In your first post you noted that a timestamp gets incremented by one hour. Your example had a timestamp that was GMT so converting it to BST results in adding one hour. (I assume that the year 22009 was a typo)

jw


Am 16.08.2008 um 19:26 schrieb Gino Pacitti:

Well I am in the UK and the System clock is using Apples European servers for auto setting.

The TIMEZONE is London but it seems to be BST

This is a print out from the Run log

[2008-08-16 18:21:21 BST] <main> Creating LifebeatThread now with: Letinsurance 55555 localhost/127.0.0.1 1085 30000

And that seems to indicate a BST TIMEZONE





On 16 Aug 2008, at 18:21, Alan Ward wrote:


On Aug 16, 2008, at 11:10 AM, Gino Pacitti wrote:

So is possible to set the TIMEZONE for the database?

Yes. I don't know what database you are using but Oracle has a DBTIMEZONE which can be set with

ALTER database SET TIME_ZONE = 'GMT';   -- for example

and queried with

select DBTIMEZONE from dual;

In fact, in Oracle columns can have their own timezone overriding the DBTIMEZONE but I wouldn't recommend that.


The development app and database are on the same machine yet seem to shift... So it must be that the database is defaulting to UTC rather than GMT.

Or some other pair that can be 1 hour apart.... I can't speculate without knowing you location.

Would that be the solution then??

Yes.

Alan


On 16 Aug 2008, at 18:07, Alan Ward wrote:


Sounds to me like exactly what Johann described. BST is not really relevant (aside from potentially making the difference 2 hours [or 0 hours] for a couple of weeks a year), but what is relevant is that
you get the timezones to match between app server and database.

Alan

On Aug 16, 2008, at 10:54 AM, Gino Pacitti wrote:

But is this a BST thing and will it change with the clocks move back?


On 16 Aug 2008, at 17:48, Alan Ward wrote:


Looks to me like those dates are 20,000 years apart though, not just 1 hour ;-)

Alan

On Aug 16, 2008, at 10:39 AM, Johann Werner wrote:

Hi Gino,

this timeshift happens if you have different time zone settings for your app and the database. It is commonly suggested to use GMT for both and convert the timestamp to the correct time zone when displaying it on a page to a user.

jw

Am 16.08.2008 um 18:30 schrieb Gino Pacitti:

Hi All

Can anyone shed any light on why a timestamp:

2009-08-22 23:59:59 Etc/GMT

becomes

22009-08-23 00:59:59 in the database

When it is saved?

Seems like an hour is added by the database to a formatted NSTimestamp..

I have Mysql 4.1.22 and WO 5.3.3

Thanks in advance...

Gino
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