man8/zdump.8

   1 .\" %%%LICENSE_START(PUBLIC_DOMAIN)
   2 .\" This page is in the public domain
   3 .\" %%%LICENSE_END
   4 .\"
   5 .TH ZDUMP 8 2017-05-03 "" "Linux System Administration"
   6 .SH NAME
   7 zdump \- timezone dumper
   8 .SH SYNOPSIS
   9 .BR zdump " [" \-\-version "] [" \-\-help "] [" \-v "] [" \-c
  10 .RI [ loyear \fB,\fR] hiyear "] [\fIzonename\fP...]"
  11 .SH DESCRIPTION
  12 The
  13 .B zdump
  14 program prints the current time in each
  15 .I zonename
  16 named on the command line.
  17 .PP
  18 .SH OPTIONS
  19 .TP
  20 .B \-\-version
  21 Output version information and exit.
  22 .TP
  23 .B \-\-help
  24 Output short usage and exit.
  25 .TP
  26 .B \-v
  27 For each
  28 .I zonename
  29 on the command line,
  30 print the time at the lowest possible time value,
  31 the time one day after the lowest possible time value,
  32 the times both one second before and exactly at
  33 each detected time discontinuity,
  34 the time at one day less than the highest possible time value,
  35 and the time at the highest possible time value.
  36 Each line ends with
  37 .B isdst=1
  38 if the given time is Daylight Saving Time or
  39 .B isdst=0
  40 otherwise.
  41 .TP
  42 .BI "\-c " \fR[\fIloyear , \fR]\fIhiyear
  43 Cut off the verbose output near the start of the given year(s).
  44 The output still includes the lowest possible time value
  45 and one day after it, and the highest possible time value
  46 preceded by the time value one day before it.
  47 .SH SEE ALSO
  48 .BR tzfile (5),
  49 .BR zic (8)
  50 .\" @(#)zdump.8 7.3