retrieveHistoricalTimeZone
retrieveHistoricalTimeZone(year: Integer): JadeTimeZone;
The retrieveHistoricalTimeZone method of the JadeTimeZone class return a historical time zone for the year specified in the year parameter. If no historical time zone for the specified year exists in the historicalTimeZones property, this method returns itself; that is, the default time zone.
2020.0.01 and higher