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home | helpZDUMP(8) FreeBSD System Manager's Manual ZDUMP(8) NAME zdump -- timezone dumper SYNOPSIS zdump [--version] [-v] [-c [loyear,]hiyear] [zonename ...] DESCRIPTION The zdump utility prints the current time in each zonename named on the command line. The following options are available: --version Output version information and exit. -v For each zonename on the command line, print the time at the low- est possible time value, the time one day after the lowest possi- ble 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 pos- sible 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 val- ues that are neither float nor double. Time discontinuities are found by sampling the results returned by local- time at twelve-hour intervals. This works in all real-world cases; one can construct artificial time zones for which this fails. SEE ALSO ctime(3), tzfile(5), zic(8) FreeBSD 7.2 June 20, 2004 FreeBSD 7.2
NAME | SYNOPSIS | DESCRIPTION | LIMITATIONS | SEE ALSO
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