手順
PowerShellでタイムゾーンの変更をするには Set-TimeZone コマンドを使います。
書式
Set-TimeZone -id <Name of Time Zone>
※指定可能なタイムゾーンは補足を参照ください。
実行例 1
タイムゾーンを日本時間 (JST) に変更します。
PS> Set-TimeZone -id "Tokyo Standard Time"
PS>実行例 2
タイムゾーンを協定世界時 (UTC) に変更します。
PS> Set-TimeZone -id "UTC"
PS>参考：タイムゾーン リスト
| Index | ID (Name of Time Zone） | Time |
| 000 | Dateline Standard Time | (GMT-12:00) International Date Line West |
| 001 | Samoa Standard Time | (GMT-11:00) Midway Island, Samoa |
| 002 | Hawaiian Standard Time | (GMT-10:00) Hawaii |
| 003 | Alaskan Standard Time | (GMT-09:00) Alaska |
| 004 | Pacific Standard Time | (GMT-08:00) Pacific Time (US and Canada); Tijuana |
| 010 | Mountain Standard Time | (GMT-07:00) Mountain Time (US and Canada) |
| 013 | Mexico Standard Time 2 | (GMT-07:00) Chihuahua, La Paz, Mazatlan |
| 015 | U.S. Mountain Standard Time | (GMT-07:00) Arizona |
| 020 | Central Standard Time | (GMT-06:00) Central Time (US and Canada |
| 025 | Canada Central Standard Time | (GMT-06:00) Saskatchewan |
| 030 | Mexico Standard Time | (GMT-06:00) Guadalajara, Mexico City, Monterrey |
| 033 | Central America Standard Time | (GMT-06:00) Central America |
| 035 | Eastern Standard Time | (GMT-05:00) Eastern Time (US and Canada) |
| 040 | U.S. Eastern Standard Time | (GMT-05:00) Indiana (East) |
| 045 | S.A. Pacific Standard Time | (GMT-05:00) Bogota, Lima, Quito |
| 050 | Atlantic Standard Time | (GMT-04:00) Atlantic Time (Canada) |
| 055 | S.A. Western Standard Time | (GMT-04:00) Caracas, La Paz |
| 056 | Pacific S.A. Standard Time | (GMT-04:00) Santiago |
| 060 | Newfoundland and Labrador Standard Time | (GMT-03:30) Newfoundland and Labrador |
| 065 | E. South America Standard Time | (GMT-03:00) Brasilia |
| 070 | S.A. Eastern Standard Time | (GMT-03:00) Buenos Aires, Georgetown |
| 073 | Greenland Standard Time | (GMT-03:00) Greenland |
| 075 | Mid-Atlantic Standard Time | (GMT-02:00) Mid-Atlantic |
| 080 | Azores Standard Time | (GMT-01:00) Azores |
| 083 | Cape Verde Standard Time | (GMT-01:00) Cape Verde Islands |
| 085 | GMT Standard Time | (GMT) Greenwich Mean Time: Dublin, Edinburgh, Lisbon, London |
| 090 | Greenwich Standard Time | (GMT) Casablanca, Monrovia |
| 095 | Central Europe Standard Time | (GMT+01:00) Belgrade, Bratislava, Budapest, Ljubljana, Prague |
| 100 | Central European Standard Time | (GMT+01:00) Sarajevo, Skopje, Warsaw, Zagreb |
| 105 | Romance Standard Time | (GMT+01:00) Brussels, Copenhagen, Madrid, Paris |
| 110 | W. Europe Standard Time | (GMT+01:00) Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna |
| 113 | W. Central Africa Standard Time | (GMT+01:00) West Central Africa |
| 115 | E. Europe Standard Time | (GMT+02:00) Bucharest |
| 120 | Egypt Standard Time | (GMT+02:00) Cairo |
| 125 | FLE Standard Time | (GMT+02:00) Helsinki, Kiev, Riga, Sofia, Tallinn, Vilnius |
| 130 | GTB Standard Time | (GMT+02:00) Athens, Istanbul, Minsk |
| 135 | Israel Standard Time | (GMT+02:00) Jerusalem |
| 140 | South Africa Standard Time | (GMT+02:00) Harare, Pretoria |
| 145 | Russian Standard Time | (GMT+03:00) Moscow, St. Petersburg, Volgograd |
| 150 | Arab Standard Time | (GMT+03:00) Kuwait, Riyadh |
| 155 | E. Africa Standard Time | (GMT+03:00) Nairobi |
| 158 | Arabic Standard Time | (GMT+03:00) Baghdad |
| 160 | Iran Standard Time | (GMT+03:30) Tehran |
| 165 | Arabian Standard Time | (GMT+04:00) Abu Dhabi, Muscat |
| 170 | Caucasus Standard Time | (GMT+04:00) Baku, Tbilisi, Yerevan |
| 175 | Transitional Islamic State of Afghanistan Standard Time | (GMT+04:30) Kabul |
| 180 | Ekaterinburg Standard Time | (GMT+05:00) Ekaterinburg |
| 185 | West Asia Standard Time | (GMT+05:00) Islamabad, Karachi, Tashkent |
| 190 | India Standard Time | (GMT+05:30) Chennai, Kolkata, Mumbai, New Delhi |
| 193 | Nepal Standard Time | (GMT+05:45) Kathmandu |
| 195 | Central Asia Standard Time | (GMT+06:00) Astana, Dhaka |
| 200 | Sri Lanka Standard Time | (GMT+06:00) Sri Jayawardenepura |
| 201 | N. Central Asia Standard Time | (GMT+06:00) Almaty, Novosibirsk |
| 203 | Myanmar Standard Time | (GMT+06:30) Yangon Rangoon |
| 205 | S.E. Asia Standard Time | (GMT+07:00) Bangkok, Hanoi, Jakarta |
| 207 | North Asia Standard Time | (GMT+07:00) Krasnoyarsk |
| 210 | China Standard Time | (GMT+08:00) Beijing, Chongqing, Hong Kong SAR, Urumqi |
| 215 | Singapore Standard Time | (GMT+08:00) Kuala Lumpur, Singapore |
| 220 | Taipei Standard Time | (GMT+08:00) Taipei |
| 225 | W. Australia Standard Time | (GMT+08:00) Perth |
| 227 | North Asia East Standard Time | (GMT+08:00) Irkutsk, Ulaanbaatar |
| 230 | Korea Standard Time | (GMT+09:00) Seoul |
| 235 | Tokyo Standard Time | (GMT+09:00) Osaka, Sapporo, Tokyo |
| 240 | Yakutsk Standard Time | (GMT+09:00) Yakutsk |
| 245 | A.U.S. Central Standard Time | (GMT+09:30) Darwin |
| 250 | Cen. Australia Standard Time | (GMT+09:30) Adelaide |
| 255 | A.U.S. Eastern Standard Time | (GMT+10:00) Canberra, Melbourne, Sydney |
| 260 | E. Australia Standard Time | (GMT+10:00) Brisbane |
| 265 | Tasmania Standard Time | (GMT+10:00) Hobart |
| 270 | Vladivostok Standard Time | (GMT+10:00) Vladivostok |
| 275 | West Pacific Standard Time | (GMT+10:00) Guam, Port Moresby |
| 280 | Central Pacific Standard Time | (GMT+11:00) Magadan, Solomon Islands, New Caledonia |
| 285 | Fiji Islands Standard Time | (GMT+12:00) Fiji Islands, Kamchatka, Marshall Islands |
| 290 | New Zealand Standard Time | (GMT+12:00) Auckland, Wellington |
| 300 | Tonga Standard Time | (GMT+13:00) Nuku’alofa |
以上。
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