[Opensim-users] Timezone

Tue Apr 24 00:50:44 UTC 2012

Looks like a good patch to me.  I left a few small comments - if you could fix those up and no-one objects I'll be happy 
to slap it in.  Thanks Gudule.

On 21/04/12 16:21, Gudule Lapointe wrote:
> We added a patch to the Mantis.
>
> - Server tries to send Pacific Time daylight saving status to the client, whatever timezone the system is.
> - If failed, falls back to system time zone and logs a warning.
> - It does not affect client-side UTC settings like in Imprudence
>
> http://opensimulator.org/mantis/view.php?id=5972
>
> I strongly think this is the way to go until custom timezone is actually implemented. And i'd love it to be implemented.
>
>
>
> --
> http://www.speculoos.net/
> secondlife://speculoos.net:8002/
> Speculoos, the belgian cookie-flavored metaverse
>
> Le 19 avr. 2012 à 01:09, Gudule Lapointe a écrit :
>
>> 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.
>>
>>
>> --
>> http://www.speculoos.net/
>> secondlife://speculoos.net:8002/
>> Speculoos, the belgian cookie-flavored metaverse
>>
>> 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
>>> Sent from the opensim-users mailing list archive at Nabble.com <http://Nabble.com/>.
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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> <mailto:chris.collins at uc.edu>
>>>>> (513) 556-3018
>>>>>
>>>>> http://ucsim.uc.edu <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>
>>>>> <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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>>>>>
>>>>>
>>>>>
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>>>>
>>>>
>>>> --
>>>> Justin Clark-Casey (justincc)
>>>> http://justincc.org/blog
>>>> http://twitter.com/justincc
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>>>
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-- 
Justin Clark-Casey (justincc)
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