now_tm            665 lib/common/iso8601.c         struct tm *now_tm = localtime(&now);
now_tm            667 lib/common/iso8601.c         int h_offset = GMTOFF(now_tm) / HOUR_SECONDS;
now_tm            668 lib/common/iso8601.c         int m_offset = (GMTOFF(now_tm) - (HOUR_SECONDS * h_offset)) / 60;