code: public static TimeZone get(String suffix) {
          if(SUFFIX_TIMEZONES.containsKey(suffix)) {
              return SUFFIX_TIMEZONES.get(suffix);
          }
          log.warn("Cannot find time zone for exchange suffix: '{}'. Using default: America/New_York", suffix);
          return SUFFIX_TIMEZONES.get("");
      }
docs: Get the time zone for a specific exchange suffix
  
  @param suffix suffix for the exchange in YahooFinance
  @return time zone of the exchange