TZSet
virtual status_t TZSet(const char* timeZoneID, const char* tz);
status_t TZSet(const char* timeZoneID, const char* tz);
virtual status_t TZSet(const char* timeZoneID,
return fTimeConversion.TZSet(timeZoneID, tz);
GetCurrentLocaleBackend()->TZSet(timeZoneID, getenv("TZ"));