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.\" $OpenBSD: zdump.8,v 1.9 2004/04/01 11:37:02 jmc Exp $
.Dd May 23, 1999
.Dt ZDUMP 8
.Os
.Sh NAME
.Nm zdump
.Nd time zone dumper
.Sh SYNOPSIS
.Nm zdump
.Op Fl v
.Op Fl c Ar cutoffyear
.Ar zonename Ar ...
.Sh DESCRIPTION
.Nm
prints the current time in each
.Ar zonename
named on the command line.
.Pp
These options are available:
.Bl -tag -width Fl
.It Fl c Ar cutoffyear
Cut off the verbose output near the start of the given year.
.It Fl v
For each
.Ar zonename
on the command line,
print 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 detected time discontinuity,
the time at one day less than the highest possible time value,
and the time at the highest possible time value.
Each line ends with
.Dq isdst=1
if the given time is Daylight Saving Time or
.Dq isdst=0
otherwise.
.El
.Sh SEE ALSO
.Xr ctime 3 ,
.Xr tzfile 5 ,
.Xr zic 8
.\" @(#)zdump.8 7.4
.\" This file is in the public domain, so clarified as of
.\" 2003-02-14 by Arthur David Olson (arthur_david_olson@nih.gov).
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