-.\" $OpenBSD: zdump.8,v 1.3 1997/01/14 03:16:54 millert Exp $
-.TH ZDUMP 8
-.SH NAME
-zdump \- time zone dumper
-.SH SYNOPSIS
-.B zdump
-[
-.B \-v
-] [
-.B \-c
-cutoffyear ] [ zonename ... ]
-.SH DESCRIPTION
-.I Zdump
-prints the current time in each
-.I zonename
+.\"
+.\" @(#)zdump.8 7.3
+.\" $FreeBSD: src/usr.sbin/zic/zdump.8,v 1.10 2004/06/20 21:41:11 stefanf Exp $
+.\"
+.Dd June 20, 2004
+.Dt ZDUMP 8
+.Os
+.Sh NAME
+.Nm zdump
+.Nd timezone dumper
+.Sh SYNOPSIS
+.Nm
+.Op Fl -version
+.Op Fl v
+.Op Fl c Ar cutoffyear
+.Op Ar zonename ...
+.Sh DESCRIPTION
+The
+.Nm
+utility prints the current time in each
+.Ar zonename
named on the command line.
-.PP
-These options are available:
-.TP
-.B \-v
+.Pp
+The following options are available:
+.Bl -tag -width indent
+.It Fl -version
+Output version information and exit.
+.It Fl v
For each
-.I zonename
+.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 time at one day less than the highest possible time value,
and the time at the highest possible time value,
Each line ends with
-.B isdst=1
+.Em isdst=1
if the given time is Daylight Saving Time or
-.B isdst=0
+.Em isdst=0
otherwise.
-.TP
-.BI "\-c " cutoffyear
+.It Fl c Ar cutoffyear
Cut off the verbose output near the start of the given year.
-.SH "SEE ALSO"
-ctime(3), tzfile(5), zic(8)
-.\" @(#)zdump.8 7.3
+.El
+.Sh "SEE ALSO"
+.Xr ctime 3 ,
+.Xr tzfile 5 ,
+.Xr zic 8