TimeZone represents a time zone offset, and also figures out daylight savings. Typically, you get a TimeZone using getDefault which creates a TimeZone based on the time zone where the program is running. For example, for a program running in Japan, getDefault creates a TimeZone object based on Japanese Standard Time.
You can also get a TimeZone using getTimeZone along with a time zone ID. For instance, the time zone ID for the U.S. Pacific Time zone is "America/Los_Angeles". So, you can get a U.S. Pacific Time TimeZone object with
TimeZone tz = TimeZone.getTimeZone("America/Los_Angeles"); You can force the Java Virtual Machine to use a specific TimeZone by adding a –D to its start parameter
-Duser.timezone="America/Los_Angeles"
In this example any server located outside the U.S. Pacific Time zone can still create timestamp like it would be in the U.S. Pacific Time zone.
All the available TimeZone from java.util.TimeZone are listed below for your convenience:
| ACT | America/Guatemala | Asia/Ashkhabad | Australia/Lindeman | Europe/London | Pacific/Apia Pacific/Auckland Pacific/Chatham Pacific/Easter Pacific/Efate Pacific/Enderbury Pacific/Fakaofo Pacific/Fiji Pacific/Funafuti Pacific/Galapagos Pacific/Gambier Pacific/Guadalcanal Pacific/Guam Pacific/Honolulu Pacific/Johnston Pacific/Kiritimati Pacific/Kosrae Pacific/Kwajalein Pacific/Majuro Pacific/Marquesas Pacific/Midway Pacific/Nauru Pacific/Niue Pacific/Norfolk Pacific/Noumea Pacific/Pago_Pago Pacific/Palau Pacific/Pitcairn Pacific/Ponape Pacific/Port_Moresby Pacific/Rarotonga Pacific/Saipan Pacific/Samoa Pacific/Tahiti Pacific/Tarawa Pacific/Tongatapu Pacific/Truk Pacific/Wake Pacific/Wallis Pacific/Yap PLT PNT Poland Portugal PRC PRT PST PST8PDT ROK Singapore SST SystemV/AST4 SystemV/AST4ADT SystemV/CST6 SystemV/CST6CDT SystemV/EST5 SystemV/EST5EDT SystemV/HST10 SystemV/MST7 SystemV/MST7MDT SystemV/PST8 SystemV/PST8PDT SystemV/YST9 SystemV/YST9YDT 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/Pacific-New US/Samoa UTC VST W-SU WET Zulu |
see also References
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