Alternate Entry Name: _TZDOFF
B: %b/manif/t_ctrl offset = .tzdoff( tloc, timenum );
C: #include <t_ctrl.h> long _tzdoff(_T_locale tloc, time_t timenum);
ouroffset = .tzdoff(tloc, .ctime());
If the locale given by "tloc" is using standard time on the date and time given by "timenum", .TZDOFF returns zero. If the locale is using daylight time on that date and time, .TZDOFF returns the difference between the daylight time and standard time (usually 60, indicating that daylight time is one hour ahead of the locale's standard time).
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