code: public static void initTimezones(final String serverUrl) throws TimezonesException {
      try {
        if (tzs == null) {
          tzs = (Timezones)Class.forName("org.bedework.util.timezones.TimezonesImpl").newInstance();
        }
  
        tzs.init(serverUrl);
      } catch (final TimezonesException te) {
        throw te;
      } catch (final Throwable t) {
        throw new TimezonesException(t);
      }
    }
docs: Initialize the timezones system.
  
  @param serverUrl url of timezone server
  @throws TimezonesException on error