public Optional<TimeZone> getTimeZone() {
        return this.config.hasOption(ClickHouseClientOption.SERVER_TIME_ZONE)
                ? Optional.of(this.config.getServerTimeZone())
                : Optional.empty();
    }
Gets time zone of the node.

@return time zone of the node
clickhouse-client/src/main/java/com/clickhouse/client/ClickHouseNode.java