is there a standardized way to determine one's offset from gmt for a
given timezone?  or do i have to do it this way?

#include <time.h>
main() {
  struct tm tm;
  time_t now, gmt;
  time(&now);
  tm = *gmtime(&now);
  gmt = mktime(&tm);
  printf("now %d gmt %d diff %d\n", now, gmt, now - gmt);
}

and hmm...i wonder who would have to be poked in order to get the %z
format for strftime() ratified?

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