code: public DateTimeZone getTimeZone()
      {
          return this.attrValues.get(Person.AttrName.TIMZONE) != null
                          ? DateTimeZone.forID(this.attrValues.get(Person.AttrName.TIMZONE))
                          : DateTimeZone.UTC;
      }
docs: Method to get the Timezone of this Person. Default is the "UTC" Timezone.
  
  @return Timezone of this Person