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| author | Edwin Groothuis <edwin@FreeBSD.org> | 2009-05-20 12:24:39 +0000 |
|---|---|---|
| committer | Edwin Groothuis <edwin@FreeBSD.org> | 2009-05-20 12:24:39 +0000 |
| commit | 80ca36b52f4732dba27b6bb58743c0f1ab5bd8e3 (patch) | |
| tree | cd528237b1dd33b0e7b4ab1179bf58a6cde867b1 /unused/zdump.8.txt | |
| parent | 9556ff65cd40f2afcdbab50cd76fc44ed2d3dcc3 (diff) | |
Vendor import of tzcode2009e.vendor/tzcode/tzcode2009e
Obtained from: ftp://elsie.nci.nih.gov/pub/
Diffstat (limited to 'unused/zdump.8.txt')
| -rw-r--r-- | unused/zdump.8.txt | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/unused/zdump.8.txt b/unused/zdump.8.txt new file mode 100644 index 000000000000..78c647f7636b --- /dev/null +++ b/unused/zdump.8.txt @@ -0,0 +1,43 @@ +NAME + + zdump - time zone dumper + +SYNOPSIS + zdump [ --version ] [ -v ] [ -c [loyear,]hiyear ] [ zonename + ... ] + +DESCRIPTION + Zdump prints the current time in each zonename named on the + command line. + + These options are available: + + --version + Output version information and exit. + + -v 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. + + -c [loyear,]hiyear + Cut off verbose output near the start of the given + year(s). By default, the program cuts off verbose + output near the starts of the years -500 and 2500. + +LIMITATIONS + The -v option may not be used on systems with floating-point + time_t values that are neither float nor double. + + Time discontinuities are found by sampling the results + returned by localtime at twelve-hour intervals. This works + in all real-world cases; one can construct artificial time + zones for which this fails. + +SEE ALSO + newctime(3), tzfile(5), zic(8) |