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+.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
+named on the command line.
+.PP
+These options are available:
+.TP
+.B \-v
+For each
+.I 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
+.B isdst=1
+if the given time is Daylight Saving Time or
+.B isdst=0
+otherwise.
+.TP
+.BI "\-c " cutoffyear
+Cut off the verbose output near the start of the given year.
+.SH "SEE ALSO"
+newctime(3), tzfile(5), zic(8)
+.\" @(#)zdump.8 7.3