Non utilizzare nessuna delle timezone elencate qui di seguito ((a parte UTC), sono presenti solo per ragioni di compatibilità.


If you disregard the above warning, please also note that the IANA timezone database that provides PHP's timezone support uses POSIX style signs, which results in the Etc/GMT+n and Etc/GMT-n time zones being reversed from common usage.

For example, the time zone 8 hours ahead of GMT that is used in China and Western Australia (among other places) is actually Etc/GMT-8 in this database, not Etc/GMT+8 as you would normally expect.

Once again, it is strongly recommended that you use the correct time zone for your location, such as Asia/Shanghai or Australia/Perth for the above examples.

Africa/Asmera Africa/Timbuktu America/Argentina/ComodRivadavia America/Atka
America/Buenos_Aires America/Catamarca America/Coral_Harbour America/Cordoba
America/Ensenada America/Fort_Wayne America/Godthab America/Indianapolis
America/Jujuy America/Knox_IN America/Louisville America/Mendoza
America/Montreal America/Nipigon America/Pangnirtung America/Porto_Acre
America/Rainy_River America/Rosario America/Santa_Isabel America/Shiprock
America/Thunder_Bay America/Virgin Antarctica/South_Pole Asia/Ashkhabad
Asia/Calcutta Asia/Chongqing Asia/Chungking Asia/Dacca
Asia/Harbin Asia/Istanbul Asia/Kashgar Asia/Katmandu
Asia/Macao Asia/Rangoon Asia/Saigon Asia/Tel_Aviv
Asia/Thimbu Asia/Ujung_Pandang Asia/Ulan_Bator Atlantic/Faeroe
Atlantic/Jan_Mayen Australia/ACT Australia/Canberra Australia/Currie
Australia/LHI Australia/North Australia/NSW Australia/Queensland
Australia/South Australia/Tasmania Australia/Victoria Australia/West
Australia/Yancowinna Brazil/Acre Brazil/DeNoronha Brazil/East
Brazil/West Canada/Atlantic Canada/Central Canada/Eastern
Canada/Mountain Canada/Newfoundland Canada/Pacific Canada/Saskatchewan
Canada/Yukon CET Chile/Continental Chile/EasterIsland
CST6CDT Cuba EET Egypt
Etc/GMT+0 Etc/GMT+1 Etc/GMT+10 Etc/GMT+11
Etc/GMT+12 Etc/GMT+2 Etc/GMT+3 Etc/GMT+4
Etc/GMT+5 Etc/GMT+6 Etc/GMT+7 Etc/GMT+8
Etc/GMT+9 Etc/GMT-0 Etc/GMT-1 Etc/GMT-10
Etc/GMT-11 Etc/GMT-12 Etc/GMT-13 Etc/GMT-14
Etc/GMT-2 Etc/GMT-3 Etc/GMT-4 Etc/GMT-5
Etc/GMT-6 Etc/GMT-7 Etc/GMT-8 Etc/GMT-9
Etc/GMT0 Etc/Greenwich Etc/UCT Etc/Universal
Etc/UTC Etc/Zulu Europe/Belfast Europe/Kiev
Europe/Nicosia Europe/Tiraspol Europe/Uzhgorod Europe/Zaporozhye
Factory GB GB-Eire GMT
GMT+0 GMT-0 GMT0 Greenwich
Hongkong HST Iceland Iran
Israel Jamaica Japan Kwajalein
Libya MET Mexico/BajaNorte Mexico/BajaSur
Mexico/General MST MST7MDT Navajo
NZ NZ-CHAT Pacific/Enderbury Pacific/Johnston
Pacific/Ponape Pacific/Samoa Pacific/Truk Pacific/Yap
Poland Portugal PRC PST8PDT
ROC ROK Singapore Turkey
UCT Universal US/Alaska US/Aleutian
US/Arizona US/Central US/East-Indiana US/Eastern
US/Hawaii US/Indiana-Starke US/Michigan US/Mountain
US/Pacific US/Samoa UTC W-SU
WET Zulu    
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