System TimeZone Setup!

2007-12-25 11:58:00

Hi Folks;

Thanks for all who replied to my question:

Ric Anderson <ric@rtd.com>

noelfdtdmc.com (Noel Fardy)

mike@trdlnk.com (Michael Sullivan)

Here is my original post and the solution from Michael Sullivan:

> We're running Solaris 2.4 and we've problem with our Timezone...

> The variable TZ displays GMT-5, but in Sendmail it appears GMT+5

> and this affects our mail users displaying an incorrect date!

> The clock and the output of the date command is fine = GMT-5

> this is the equivalent to Panama

Your TZ environment variable should be set to GMT+5. Solaris 2 follows

the POSIX standard interpretation of TZ, which says the numeric value represents

hours behind GMT. If your time appears to be correct with TZ set to GMT-5, your

system clock is set wrong.

Mail headers use the opposite convention, so your correct timezone for a mail

header is GMT-0500.

P.S. Solaris 1 had a bug which reversed the meaning of the number in the GMT+/-n

TZ values; this had the misleading side-effect of making the sign in the TZ

variable match that in mail headers, which seemed nice, but was wrong.

Solaris 2 has fixed the bug, and follows the POSIX standard.

Wen Fung Internet Access
System Administrator Web Publishing
CyberMedia Panama http://www.pty.com

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