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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 rou‐
       tines 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 pos‐
			       sible  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 5.10			  23 Jan 2006			     zdump(1M)

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