[1] IBM Knowledge Center - 時間帯 () <https://www.ibm.com/support/knowledgecenter/ja/ssw_ibm_i_72/rzati/rzatitimezone.htm>
[2] IBM Knowledge Center - 時間帯 (QTIMZON) システム値の設定 () <https://www.ibm.com/support/knowledgecenter/ja/ssw_ibm_i_73/rzati/rzatisetuptimezone.htm>
[3] IBM Knowledge Center - Time zone () <https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_71/rzati/rzatitimezone.htm>