Linux Commands Examples

A great documentation place for Linux commands


time zone dumper

see also : zic


zdump [ -v ] [ -c cutoffyear ] [ zonename ... ]

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$dir/zdump $f > ${f%%.rd}.z
(cd /usr/share/zoneinfo/; /usr/bin/zdump **/*) 2>/dev/null | egrep '^posix' | egrep "Los_Angeles|Tokyo|Paris"
for x in tzselect zic zdump yearistype ; do
install -Dm0755 $x "${pkgdir}/usr/bin/$x"


Zdump prints the current time in each zonename named on the command line.

These options are available:


For each 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 isdst=1 if the given time is Daylight Saving Time or isdst=0 otherwise. zonename should be the relative path file name from /usr/share/zoneinfo/ which directory contains all zone data.

-c cutoffyear

Cut off the verbose output near the start of the given year.

see also

ctime, zic

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