man/man1m/zdump.1m

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 zdump 1M "3 Jan 2006" "SunOS 5.11" "System Administration Commands"
 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 TYPEATTRIBUTE VALUE
Interface StabilityStable


 SEE ALSO

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