mirror of https://github.com/mkerrisk/man-pages
51 lines
1.3 KiB
Groff
51 lines
1.3 KiB
Groff
.\" %%%LICENSE_START(PUBLIC_DOMAIN)
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.\" This page is in the public domain
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.\" %%%LICENSE_END
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.\"
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.TH ZDUMP 8 2017-05-03 "" "Linux System Administration"
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.SH NAME
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zdump \- timezone dumper
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.SH SYNOPSIS
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.BR zdump " [" \-\-version "] [" \-\-help "] [" \-v "] [" \-c
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.RI [ loyear \fB,\fR] hiyear "] [\fIzonename\fP...]"
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.SH DESCRIPTION
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The
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.B zdump
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program prints the current time in each
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.I zonename
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named on the command line.
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.PP
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.SH OPTIONS
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.TP
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.B \-\-version
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Output version information and exit.
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.TP
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.B \-\-help
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Output short usage message and exit.
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.TP
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.B \-v
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For each
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.I zonename
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on the command line,
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print the time at the lowest possible time value,
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the time one day after the lowest possible time value,
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the times both one second before and exactly at
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each detected time discontinuity,
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the time at one day less than the highest possible time value,
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and the time at the highest possible time value.
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Each line ends with
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.B isdst=1
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if the given time is Daylight Saving Time or
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.B isdst=0
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otherwise.
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.TP
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.BI "\-c " \fR[\fIloyear , \fR]\fIhiyear
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Cut off the verbose output near the start of the given year(s).
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The output still includes the lowest possible time value
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and one day after it, and the highest possible time value
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preceded by the time value one day before it.
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.SH SEE ALSO
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.BR tzfile (5),
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.BR zic (8)
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.\" @(#)zdump.8 7.3
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