DST (day saving time) problem - PBX Info :: Your Free PBX, PABX and Telephone Information Resource

diversion · 10-26-2004, 06:49 AM

I don't know if DST is used in US or not, but in France we do.
We upgraded to Succession rls 3.0 in august. I didn't changed DST setting and as far as I know, nobody does.
But yesterday we was one hour late... DST setting was to the monday of the last week of october. It works fine

We roll back to the correct hour and changed DST setting to the right date (sunday 31st oct.).

And, this morning we was again with one hour late !!? The DST setting are still ok. But to 2AM the time change occur again...

Anybody know, or have a clue, why did it happen this morning again ?

Thanks.
D.

Steamer · 10-26-2004, 07:10 AM

Can you post the TDST command results?

diversion · 10-26-2004, 09:04 AM

Here is what we have now :
.tdst
SDST ON
FWTM MAR L SUN 3 (AT 03:00 28/3/2004 )
BWTM OCT L SUN 2 (AT 02:00 31/10/2004 )

Before I mede the change there was :
BWTM OCT L MON 2 (AT 02:00 25/10/2004 )

Steamer · 10-26-2004, 09:51 AM

Interesting. Even if the BWTM was somehow changed before without you knowing, it looks like you corrected it yesterday.
I wonder if it will set the time back again tomorrow morning!
If it does, maybe you should try turning it off (SDST OFF) then back on (SDST ON). Perhaps that will "reset" things. Just speculating.

Steamer

diversion · 10-26-2004, 10:01 AM

My vendor suggest this too so I did it today. We'll saw tomorrow if the hour change again or not...

Thanks.

jwood · 10-26-2004, 11:18 AM

I have the same issue happening on a few of my switches. For some reason they went back an hour today. Do the time changes always have to be entered or should it be done automatically? When I first set this up the PBX's seemed to have the correct information every year.

diversion · 10-27-2004, 06:17 AM

The hour didn't change today. It seems to have OFF / ON the TDST made it.
J. ,
The time change need only to be entered once, if it's always the same day of the same month each year (I think it's the case all over the world).
But after what happened to us, if you changed anything in these setting for any reason, I 'll advice to Off/On TSDT.

jwood · 10-27-2004, 10:48 AM

It's kind of strange because as far as I know nothing was changed since I originally set it up. Somehow 5 O11's went back an hour on the 26th. Oh well, they look right now.

diversion · 10-28-2004, 03:54 AM

Last year Time change happened Oct. 26th (I think it's the same for you), it's perhaps a hint. Even if it isn't a date which is set...

All the 5 option11 have the same X11 rls ? And the ones which didn't change ?

jwood · 10-28-2004, 11:56 AM

I did wonder about the date and yes, almost all were 25.40b. We have a couple of 3.0 systems but they weren't affected.

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