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тАО11-11-2003 01:43 AM
тАО11-11-2003 01:43 AM
Brazilian Timezone
My current entry shows:
# Brazil
BRA3BST
59 23 12-18 2 1997-1998 6 BRA3
59 23 19-25 2 1999-2001 6 BRA3
59 23 16-23 2 2002-2038 1 BRA3
59 23 02-08 10 1996-1997 6 BST2
59 23 09-15 10 1998-2000 6 BST2
00 01 19-25 10 2001-2038 1 BST2
I have another server also in Brazil and their tztab entry is:
# Brazil
BRA3BST
59 23 12-18 2 1997-1998 6 BRA3
59 23 19-25 2 1999-2001 6 BRA3
00 01 10-16 3 2002-2038 1 BRA3
59 23 02-08 10 1996-1997 6 BST2
59 23 09-15 10 1998-2000 6 BST2
00 01 10-16 10 2001-2038 1 BST2
The only differece between the two are the dates which the date would change.
Both sites have a TZ set as BRA3BST.
The time on the second server is correct, the time on the first server is one hour behind what it should be, ie 3 hours behind UTC rather than 2 hours behind.
Any ideas?
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тАО11-11-2003 01:51 AM
тАО11-11-2003 01:51 AM
Re: Brazilian Timezone
the entry to /usr/lib/tztab needs to
be edited each year. Here is the entry for 2003/2004:
# Brazil Eastern Standard Time, Brazil Eastern Daylight Time
# horario verao
BEST3BEDT
0 0 15-21 2 2003 0 BEST3
0 0 18-24 10 2003 0 BEDT2
0 0 14-20 2 2004 0 BEST3
Add these lines to /usr/lib/tztab. Then edit /etc/TIMEZONE:
TZ=BEST3BEDT
export TZ
Reboot the system. Verify that the timezone and date were set correctly:
# echo $TZ
BEST3BEDT
# date
HTH,
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тАО11-11-2003 01:55 AM
тАО11-11-2003 01:55 AM
Re: Brazilian Timezone
I havent seen the lower one before, however, I have seen a lot of documentation on the internet (via google) that indicates that the Brazil timezone shifts (from BRA to BST) change over short periods of time.
Given that the 2nd words, I would go with that.
Hope this helps,
Best regards,
Kent M. Ostby
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тАО11-11-2003 01:58 AM
тАО11-11-2003 01:58 AM
Re: Brazilian Timezone
It is strange that in your case the output of date is different, since both should use BST2 by now (it is now after both the week from 10-16 and 19-25 october). So I think you need to look at the current timezone both servers report in the output of the date command.
As for the different DST changes: make sure both servers have the same patchlevel. I think one of them is somewhat behind. Patch at least this file, because you will run into problems again between the end of february and half march.
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тАО11-11-2003 02:04 AM
тАО11-11-2003 02:04 AM
Re: Brazilian Timezone
Both servers should have adjusted their time already. The first server should have adjusted its time between the 19th and the 25ht of October and the second server should have adjusted its time between the 10th and the 16th of October.
Since you said one of those server didn't have its time adjusted, I'm a bit surprised.
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тАО11-11-2003 03:08 AM
тАО11-11-2003 03:08 AM
Re: Brazilian Timezone
# set_parms timezone
This command will prompt you for everything including whether or not to use daylight savings time.