Установка часового пояса в PHP.
date_default_timezone_set("Europe/Moscow");
| gmt-11 | Samoa | Pacific/Samoa |
| gmt-10 | Hawaii | US/Hawaii |
| gmt-9 | Alaska | US/Alaska |
| gmt-8 | Los Angeles | America/Los_Angeles |
| gmt-7 | Denver | America/Denver |
| gmt-6 | Chicago | America/Chicago |
| gmt-5 | New York | America/New_York |
| gmt-4 | Caracas | America/Caracas |
| gmt-3 | Buenos Aires | America/Buenos_Aires |
| gmt-2 | Sao Paulo | America/Sao_Paulo |
| gmt-1 | Azores | Atlantic/Azores |
| gmt0 | London | Europe/London |
| gmt1 | Berlin,Paris | Europe/Berlin |
| gmt2 | Kyiv, Minsk | Europe/Kiev |
| gmt3 | Moscow, Saint-Peterburg | Europe/Moscow |
| gmt4 | Yerevan | Asia/Yerevan |
| gmt5 | Yekaterinburg, Tashkent | Asia/Yekaterinburg |
| gmt6 | Novosibirsk | Asia/Novosibirsk |
| gmt7 | Krasnoyarsk, Bangkok | Asia/Krasnoyarsk |
| gmt8 | Singapore, Hong Kong | Asia/Singapore |
| gmt9 | Tokyo | Asia/Tokyo |
| gmt10 | Vladivostok | Asia/Vladivostok |
| gmt11 | Sydney | Australia/Sydney |
| gmt12 | Kamchatka | Asia/Kamchatka |
