debian での timezone の変更方法

Linux

さらっと以前設定したんだけど、やり方を全く思い出せなくなってしまった。どんな小さなことでもメモって置かないといけないの法則を忘れていたばっかりに・・・。ということで、今度こそメモっておく。

# tzconfig
Your current time zone is set to Asia/Tokyo
Do you want to change that? [n]: y

Please enter the number of the geographic area in which you live:


        1) Africa                       7) Australia

        2) America                      8) Europe

        3) US time zones                9) Indian Ocean

        4) Canada time zones            10) Pacific Ocean

        5) Asia                         11) Use System V style time zones

        6) Atlantic Ocean               12) None of the above


Then you will be shown a list of cities which represent the time zone
in which they are located. You should choose a city in your time zone.

Number: 5

Aden Almaty Amman Anadyr Aqtau Aqtobe Ashgabat Ashkhabad Baghdad Bahrain
Baku Bangkok Beirut Bishkek Brunei Calcutta Choibalsan Chongqing Chungking
Colombo Dacca Damascus Dhaka Dili Dubai Dushanbe Gaza Harbin Ho_Chi_Minh
Hong_Kong Hovd Irkutsk Istanbul Jakarta Jayapura Jerusalem Kabul Kamchatka
Karachi Kashgar Katmandu Kolkata Krasnoyarsk Kuala_Lumpur Kuching Kuwait
Macao Macau Magadan Makassar Manila Muscat Nicosia Novosibirsk Omsk
Oral Phnom_Penh Pontianak Pyongyang Qatar Qyzylorda Rangoon Riyadh
Riyadh87 Riyadh88 Riyadh89 Saigon Sakhalin Samarkand Seoul Shanghai
Singapore Taipei Tashkent Tbilisi Tehran Tel_Aviv Thimbu Thimphu Tokyo
Ujung_Pandang Ulaanbaatar Ulan_Bator Urumqi Vientiane Vladivostok Yakutsk
Yekaterinburg Yerevan

Please enter the name of one of these cities or zones
You just need to type enough letters to resolve ambiguities
Press Enter to view all of them again
Name: [] Tokyo
Your default time zone is set to 'Asia/Tokyo'.
Local time is now:      Mon Jan 26 17:47:27 JST 2009.
Universal Time is now:  Mon Jan 26 08:47:27 UTC 2009.

"Japan" をすげー探してしまったのは秘密だ。