[mythtv-users] Schedule offset

[David Hoelzer]

Many thanks!
On Apr 14, 2004, at 11:45 AM, Harry Orenstein wrote:

>> From: David Hoelzer <dhoelzer at cyber-defense.org>
>> Reply-To: Discussion about mythtv <mythtv-users at mythtv.org>
>> To: mythtv-users at mythtv.org
>> Subject: [mythtv-users] Schedule offset
>> Date: Wed, 14 Apr 2004 09:57:09 -0400
>>
>> Well, I posted this to Dev, but I think that was the wrong place, so  
>> let's try here...
>>
>> I recently began actively using Myth, so that may give you some  
>> context.  Everything at this point is functioning perfectly  
>> (excellent work guys) except for the schedule.  It is being pulled in  
>> using tv_grab_na_dd by mythfilldatabase, but the times seem to be  
>> shifted by four hours (programs claim that they start 4 hours later  
>> than actually scheduled).  I've tried adjusting the schedule offset  
>> value in the database to no avail.  This has included:
>>
>> Stopping and restarting everything after making the change
>> Nuking the database and starting from scratch with the database
>> Checking out the newest CVS, nuking the database and starting from  
>> scratch (several times).
>>
>> None of these had any noticeable affect on the problem, so I resorted  
>> to just setting the system clock ahead four hours.  This is, of  
>> course, not the most preferable solution, but it works. ;)
>>
>> Before I start digging around trying to fix this, I thought I'd ask  
>> if anyone has experienced this problem and could point me at where  
>> I've gone wrong.
>>
>> Thanks!
>>
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>
> tv_grab_na_dd gets listings in GMT.  I assume by the difference
> you indicated that you are EDT.  To correct this you need to
> add the line "timezone: -0400" to your config file for XMLTV
> (should be located in ~/.mythtv).  Of course, this will only work
> for the next 6 months or so when the offset will change to
> "timezone: -0500". (the timezone setting assumes you have
> the latest na_dd grabber, since it is a recent feature change).
>
> I think XMLTV in general is due to switch to GMT for all grabbers
> at some point and the na_dd grabber is just telegraphing this
> change.  I haven't been checking the MythDev list lately.  Has
> anyone discussed storing times internally as GMT and converting
> to local time for display within Myth?  This may solve some problems
> with the grabber using GMT since 8pm-Midnight gets cutoff and
> I have noticed that those 4 hours may be dropped from the
> schedule if  I don't update daily.
>
> HTH!!
>
>
> -- Harry O.
>
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