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Full Discussion: Timezone query
Operating Systems Solaris Timezone query Post 302284429 by StarSol on Thursday 5th of February 2009 01:05:43 PM
Old 02-05-2009
This is what I do. The TZ line in /etc/default/init might need to be adjusted to match the location, so that programs (e.g. CDR) can read and display time stamps appropriately for the location. For example, you should use the line:

TZ=Australia/Broken_Hill

if you are in Broken Hill, Australia. After the TZ line in /etc/default/init is changed, the system needs to be rebooted to propagate the change to all processes/applications.
A TZ setting like Canada/Pacific operates by referring to a file /usr/share/lib/zoneinfo/Australia/Broken_Hill that contains compiled data about the history of time zone and daylight saving changes at that location. The time zone compiler can be run with the “zic”.
Example:
# cd /usr/share/lib/zoneinfo/src

# ls choose desired locations (e.g. northamerica & autralia)

# /usr/sbin/zic northamerica australia
Or # zic northamerica australia


This command generates compiled time zone files for all the locations
mentioned in the text file 'northamerica' and ‘australia’. This is a much larger set than the set of compiled time zone files shipped by default in Solaris. If you're in an unusual location, you'll need to run “zic” to get the proper time zone file; e.g. you must run zic to get “TZ=Antarctica/South_Pole” to work.
 

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LEARN ABOUT OPENSOLARIS

zdump

zdump(1M)						  System Administration Commands						 zdump(1M)

NAME

       zdump - time zone dumper

SYNOPSIS

       zdump [--version] [-v] [-c [loyear,]hiyear] [zonename]...

DESCRIPTION

       The  zdump  command  prints  the current time for each time zone (zonename) listed on the command line. Specify zonename as the name of the
       time zone database file relative to /usr/share/lib/zoneinfo.

       Specifying an invalid time zone (zonename) to zdump does not return an error, rather zdump uses GMTO. This is consistent with the  behavior
       of the library calls; zdump reflects the same behavior of the time routines in libc. See ctime(3C) and mktime(3C).

OPTIONS

       The following options are supported:

       --version	     Outputs version information and exits.

       -v		     Displays the entire contents of the time zone database file for zonename. Prints the time at the lowest possible time
			     value; the time one day after the lowest possible time value; the times both one second before and  exactly  at  each
			     time at which the rules for computing local time change; the time at the highest possible time value; and the time at
			     one day less than the highest possible time value. See mktime(3C) and ctime(3C) for information regarding time  value
			     (time_t). Each line of output ends with isdst=1 if the given time is Daylight Saving Time, or isdst=0 otherwise.

       -c [loyear],hiyear    Cuts  off	the  verbose  output near the start of the given year(s) . By default, the program cuts off verbose output
			     near the start of the years -500 and 2500.

EXIT STATUS

       The following exit values are returned:

       0    Successful completion.

       1    An error occurred.

FILES

       /usr/share/lib/zoneinfo	  Standard zone information directory

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Stable			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       zic(1M), ctime(3C), mktime(3C), attributes(5), environ(5)

SunOS 5.11							    3 Jan 2006								 zdump(1M)
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