[Deploying Sakai] Time zone mismatch on sakai 2.8

[Matthew Jones]

FYI: Sakai Events (and other fields that store the date/time like session)
are stored in GMT. This is because it will be the only time that is ever
constant. It's possibly your data center could relocate, you could have
daylight savings time. GMT never changes with seasons and is always a
constant.

Here's some additional information from a post a few years ago.
http://collab.sakaiproject.org/pipermail/sakai-dev/2009-September/003731.html

-Matthew

On Tue, Nov 29, 2011 at 8:46 AM, Eduardo <eduzav at hotmail.com> wrote:

> Hy, we’re using Sakai 2.8 on Argentina and we have difference time between
> application and database ( three hours mismatch)****
>
> Example: when a user logs on application at 17hs the sesión_start field on
> table is 20hs****
>
> ** **
>
> ** **
>
> The time zone of Argentina is GMT -3.****
>
> ** **
>
> All servers (backend and frontends) are synchronizing the hour using ntp
> protocol (ar.pool.ntp.org <http://www.pool.ntp.org/zone/ar>) and the time
> zone configurated is GMT+3 (the operating systems are OEL 5.5)****
>
> ** **
>
> On backend we’re using Oracle 10g release 4 and the time configurated on
> instance is OK.****
>
> ** **
>
> select systimestamp from dual;****
>
> 29/11/2011 10:32:06,241764 AM -03:00****
>
> select current_timestamp from dual;****
>
> 29/11/2011 10:29:39,827614 AM -03:00****
>
> ** **
>
> The time on application layout is Ok but the time on oracle table is
> incorrect.****
>
> The table we’re monitoring is sakai.session and the fields are
> SESSION_START and SESSION_END.****
>
> ** **
>
> On the other hand catalina evironment is: ****
>
> ** **
>
> CATALINA_OPTS='-server -Xms512m -Xmx3072m -XX:PermSize=128m
> -XX:MaxPermSize=512m -XX:NewSize=192m -XX:MaxNewSize=384m
> -Djava.awt.headless=true -Dhttp.agent=Sakai
> -Dorg.apache.jasper.compiler.Parser.STRICT_QUOTE_ESCAPING=false
> -Dsun.lang.ClassLoader.allowArraySyntax=true -Dcom.sun.management.jmxremote
> -Dcom.sun.management.jmxremote.port=33331
> -Dcom.sun.management.jmxremote.ssl=false
> -Dcom.sun.management.jmxremote.authenticate=false -Duser.language=es
> -Duser.region=ES'****
>
> ** **
>
> I don’t know how can I fix that error, what do you suggest me?****
>
> ** **
>
> Thanks,****
>
> Eduardo Zavala****
>
> ** **
>
> ** **
>
> ** **
>
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