[Opensim-users] Timezone

Gudule Lapointe gudule at spekuloos.be
Wed Apr 18 23:09:41 UTC 2012 

My tests and the examples (including OSGrid time)  show that the server DO control DST setting, while it does not control the other part of the timezone.

And this is why it's a bug. If the client is expecting pacific time and relies on the server for DST, DST has to be calculated on Paciifc Time

The "decision" of using UTC is cool, but it has absolutely no effect. I don't know a grid where UTC is the in-world time. Imprudence implements it on the client-side only.

So the server must definitively send the info the client is expecting. Until management of a server-side custom timezone is implemented.

Sending a Hong Kong daylight saving to a client showing Los Angeles time has absolutely no sense.


--
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Le 19 avr. 2012 à 01:03, Robert Klein a écrit :

> We decided a long time ago to settle on UTC as the default timezone and it
> looks like the Imprudence team added the support to their viewer. Here is
> the link to the wiki http://opensimulator.org/wiki/Universal_Time_in_OpenSim
> 
> -Robert
> 
> --
> View this message in context: http://opensim-users.2152040.n2.nabble.com/Timezone-tp7477565p7478969.html
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> Le 19 avr. 2012 à 00:51, Justin Clark-Casey a écrit :
> 
>> I can't remember the details but I think this is because it's not something the server can control - the stock viewers are hardcoded to pacific time even if they might make some change for daylight savings.
>> 
>> The imprudence guys implemented another mechanism to change the timezone, I think.
>> 
>> On 18/04/12 22:31, Fleep Tuque wrote:
>>> I'm not sure why timezone isn't a configurable option in opensim.ini?  My campus grid users don't care about UTC or any
>>> other time zone than our own and what they most need to know is when their class meets.
>>> 
>>> - Chris/Fleep
>>> 
>>> 
>>> Chris M. Collins (SL/OS: Fleep Tuque)
>>> Center for Simulations & Virtual Environments Research (UCSIM)
>>> UCIT Instructional & Research Computing
>>> University of Cincinnati
>>> 406A Zimmer Hall
>>> 315 College Drive
>>> PO BOX 210088
>>> Cincinnati, OH 45221-0088
>>> chris.collins at uc.edu <mailto:chris.collins at uc.edu>
>>> (513) 556-3018
>>> 
>>> http://ucsim.uc.edu
>>> 
>>> On Wed, Apr 18, 2012 at 5:25 PM, Olivier van Helden <olivier at van-helden.net <mailto:olivier at van-helden.net>> wrote:
>>> 
>>>    If it's not a feature, it's a bug!
>>> 
>>>    I made more extensive tests and my conclusion is:
>>> 
>>>    - If I set my server on whatever timezone not using DST, viewer would show PST in anycase
>>>    - If i set it to whatever timezone using DST, viewer would show PDT if applicable, PST otherwise (SL behaviour)
>>> 
>>>    This is insane: we use a local setting for daylight savings, and a global hardcoded setting for the hour
>>> 
>>>    This probably means even those using DST will not change at the same time, depending on which timezone they have.
>>> 
>>>    I filled a Mantis about this
>>>    http://opensimulator.org/mantis/view.php?id=5972
>>> 
>>> 
>>> 
>>>    Le 18 avr. 2012 à 18:24, Gudule Lapointe a écrit :
>>> 
>>>>    Not totally exact, Vanish. My  tests proved that time info is somewhat send by the server:
>>>> 
>>>>    - On Singularity AND Second Life viewer (where timezone was supposed to be hard-coded), it shows PDT in my grid,
>>>>    and PST in OSGrid
>>>>    -> So, times is cleary sent by the server. For viewers listening to that info.
>>>>    - Imprudence has a setting to choose between PSD/PDT or GMT. If set to PST/PDT, i still get the same difference
>>>>    between OSGrid and mine
>>>>    -> fallback to same conclusion (and imprudence should probably replace "PST/PDT" by "in-world time" or something
>>>>    like that)
>>>>    - If I HG to another grid, my viewer keeps the time from my login grid
>>>>    -> time is set at login time, depending on login server settings
>>>>    - In the source code I see at some place that the daylight setting is evaluated.
>>>>    -> maybe only the use of DST can be set on server
>>>> 
>>>>    Same question is still left: how?
>>>>    -> maybe just because osgrid auth server runs on a machine where DST is disabled?
>>>> 
>>>>    And it raise a second question: who should adjust this settings, me, or OSGrid?
>>>>    No kidding: I just checked in Second Life, and time is PDT now, there.
>>>>    And I noticed several times that when we're in doubt, SL is often the reference.
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>>    --
>>>>    http://www.speculoos.net/
>>>>    secondlife://speculoos.net:8002/
>>>>    Speculoos, the belgian cookie-flavored metaverse
>>>> 
>>>>    Le 18 avr. 2012 à 17:50, Vanish a écrit :
>>>> 
>>>>>    The time is a viewer service, and Imprudence is the only one I know that allows you to change the timezone to UTC
>>>>>    (optionally) all others display PST (or "Second-Life-time", as it's come to be called).
>>>>> 
>>>>>>    I've looked at but not found a solution!
>>>>>> 
>>>>>>    Just noted: for a same instance of OpenSimulator (standalone), Imprudence displays UTC time and Viewer 3
>>>>>>    displays PST.
>>>>>> 
>>>>>>    GCI
>>>>>>     ----- Original Message -----
>>>>>>     From: Gudule Lapointe
>>>>>>     Sent: Wednesday, April 18, 2012 5:36 PM
>>>>>>     Subject: [Opensim-users] Timezone
>>>>>> 
>>>>>> 
>>>>>>     How can I setup grid or region time zone?
>>>>>> 
>>>>>> 
>>>>>>     I noticed my grid is in PDT, while OSGrid for example is in PST. While my server runs in CEST
>>>>>> 
>>>>>> 
>>>>>>     Can't find settings for that anywhere…
>>>>> 
>>>>> 
>>>>>    --
>>>>>    The Twilight’s Green Illuminate Beam,
>>>>>    This Great ImBalance, that I’ve seen,
>>>>>    That Trees Got Icy Branches and,
>>>>>    The Good In Bad, That God I’ve Been.
>>>>> 
>>>>>    http://tgib.co.uk/
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>>>>> 
>>>> 
>>> 
>>> 
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>> 
>> -- 
>> Justin Clark-Casey (justincc)
>> http://justincc.org/blog
>> http://twitter.com/justincc
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> 
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