return {
    UTC     = +00.00, -- Coordinated Universal Time

    ACDT    = +10.50, -- Australian Central Daylight Savings Time
    ACST    = +09.50, -- Australian Central Standard Time
    ACT     = +08.00, -- ASEAN Common Time
    ADT     = -03.00, -- Atlantic Daylight Time
    AEDT    = +11.00, -- Australian Eastern Daylight Savings Time
    AEST    = +10.00, -- Australian Eastern Standard Time
    AFT     = +04.50, -- Afghanistan Time
    AKDT    = -08.00, -- Alaska Daylight Time
    AKST    = -09.00, -- Alaska Standard Time
    AMST    = -03.00, -- Amazon Summer Time (Brazil)[1]
    AMST2   = +05.00, -- Armenia Summer Time
    AMT     = -04.00, -- Amazon Time (Brazil)[2]
    AMT2    = +04.00, -- Armenia Time
    ART     = -03.00, -- Argentina Time
    AST     = -04.00, -- Atlantic Standard Time
    AST2    = +03.00, -- Arabia Standard Time
    AWDT    = +09.00, -- Australian Western Daylight Time
    AWST    = +08.00, -- Australian Western Standard Time
    AZOST   = -01.00, -- Azores Standard Time
    AZT     = +04.00, -- Azerbaijan Time
    BDT     = +08.00, -- Brunei Time
    BIOT    = +06.00, -- British Indian Ocean Time
    BIT     = -12.00, -- Baker Island Time
    BOT     = -04.00, -- Bolivia Time
    BRT     = -03.00, -- Brasilia Time
    BST     = +01.00, -- British Summer Time (British Standard Time from Feb 1968 to Oct 1971)
    BST2    = +06.00, -- Bangladesh Standard Time
    BTT     = +06.00, -- Bhutan Time
    CAT     = +02.00, -- Central Africa Time
    CCT     = +06.50, -- Cocos Islands Time
    CDT     = -05.00, -- Central Daylight Time (North America)
    CDT2    = -04.00, -- Cuba Daylight Time[3]
    CEDT    = +02.00, -- Central European Daylight Time
    CEST    = +02.00, -- Central European Summer Time (Cf. HAEC)
    CET     = +01.00, -- Central European Time
    CHADT   = +13.75, -- Chatham Daylight Time
    CHAST   = +12.75, -- Chatham Standard Time
    CHOT    = +08.00, -- Choibalsan
    ChST    = +10.00, -- Chamorro Standard Time
    CHUT    = +10.00, -- Chuuk Time
    CIST    = -08.00, -- Clipperton Island Standard Time
    CIT     = +08.00, -- Central Indonesia Time
    CKT     = -10.00, -- Cook Island Time
    CLST    = -03.00, -- Chile Summer Time
    CLT     = -04.00, -- Chile Standard Time
    COST    = -04.00, -- Colombia Summer Time
    COT     = -05.00, -- Colombia Time
    CST     = -06.00, -- Central Standard Time (North America)
    CST2    = -05.00, -- Cuba Standard Time
    CST3    = +08.00, -- China Standard Time
    CST4    = +09.50, -- Central Standard Time (Australia)
    CST5    = +10.50, -- Central Summer Time (Australia)
    CT      = +08.00, -- China time
    CVT     = -01.00, -- Cape Verde Time
    CWST    = +08.75, -- Central Western Standard Time (Australia) unofficial
    CXT     = +07.00, -- Christmas Island Time
    DAVT    = +07.00, -- Davis Time
    DDUT    = +10.00, -- Dumont d'Urville Time
    DFT     = +01.00, -- AIX specific equivalent of Central European Time[4]
    EASST   = -05.00, -- Easter Island Standard Summer Time
    EAST    = -06.00, -- Easter Island Standard Time
    EAT     = +03.00, -- East Africa Time
    ECT     = -04.00, -- Eastern Caribbean Time (does not recognise DST)
    ECT     = -05.00, -- Ecuador Time
    EDT     = -04.00, -- Eastern Daylight Time (North America)
    EEDT    = +03.00, -- Eastern European Daylight Time
    EEST    = +03.00, -- Eastern European Summer Time
    EET     = +02.00, -- Eastern European Time
    EGST    = +00.00, -- Eastern Greenland Summer Time
    EGT     = -01.00, -- Eastern Greenland Time
    EIT     = +09.00, -- Eastern Indonesian Time
    EST     = -05.00, -- Eastern Standard Time (North America)
    EST2    = +10.00, -- Eastern Standard Time (Australia)
    FET     = +03.00, -- Further-eastern European Time
    FJT     = +12.00, -- Fiji Time
    FKST    = -03.00, -- Falkland Islands Standard Time
    FKST    = -03.00, -- Falkland Islands Summer Time
    FKT     = -04.00, -- Falkland Islands Time
    FNT     = -02.00, -- Fernando de Noronha Time
    GALT    = -06.00, -- Galapagos Time
    GAMT    = -09.00, -- Gambier Islands
    GET     = +04.00, -- Georgia Standard Time
    GFT     = -03.00, -- French Guiana Time
    GILT    = +12.00, -- Gilbert Island Time
    GIT     = -09.00, -- Gambier Island Time
    GMT     = +00.00, -- Greenwich Mean Time
    GST     = -02.00, -- South Georgia and the South Sandwich Islands
    GST2    = +04.00, -- Gulf Standard Time
    GYT     = -04.00, -- Guyana Time
    HADT    = -09.00, -- Hawaii-Aleutian Daylight Time
    HAEC    = +02.00, -- Heure Avanc�e d'Europe Centrale francised name for CEST
    HAST    = -10.00, -- Hawaii-Aleutian Standard Time
    HKT     = +08.00, -- Hong Kong Time
    HMT     = +05.00, -- Heard and McDonald Islands Time
    HOVT    = +07.00, -- Khovd Time
    HST     = -10.00, -- Hawaii Standard Time
    ICT     = +07.00, -- Indochina Time
    IDT     = +03.00, -- Israel Daylight Time
    IOT     = +03.00, -- Indian Ocean Time
    IRDT    = +04.50, -- Iran Daylight Time
    IRKT    = +08.00, -- Irkutsk Time
    IRST    = +03.50, -- Iran Standard Time
    IST     = +01.00, -- Irish Standard Time[5]
    IST2    = +02.00, -- Israel Standard Time
    IST3    = +05.50, -- Indian Standard Time
    JST     = +09.00, -- Japan Standard Time
    KGT     = +06.00, -- Kyrgyzstan time
    KOST    = +11.00, -- Kosrae Time
    KRAT    = +07.00, -- Krasnoyarsk Time
    KST     = +09.00, -- Korea Standard Time
    LHST    = +10.50, -- Lord Howe Standard Time
    LHST2   = +11.00, -- Lord Howe Summer Time
    LINT    = +14.00, -- Line Islands Time
    MAGT    = +12.00, -- Magadan Time
    MART    = -09.50, -- Marquesas Islands Time
    MAWT    = +05.00, -- Mawson Station Time
    MDT     = -06.00, -- Mountain Daylight Time (North America)
    MET     = +01.00, -- Middle European Time Same zone as CET
    MEST    = +02.00, -- Middle European Saving Time Same zone as CEST
    MHT     = +12.00, -- Marshall Islands
    MIST    = +11.00, -- Macquarie Island Station Time
    MIT     = -09.50, -- Marquesas Islands Time
    MMT     = +06.50, -- Myanmar Time
    MSK     = +03.00, -- Moscow Time
    MST     = -07.00, -- Mountain Standard Time (North America)
    MST2    = +06.50, -- Myanmar Standard Time
    MST3    = +08.00, -- Malaysia Standard Time
    MUT     = +04.00, -- Mauritius Time
    MVT     = +05.00, -- Maldives Time
    MYT     = +08.00, -- Malaysia Time
    NCT     = +11.00, -- New Caledonia Time
    NDT     = -02.50, -- Newfoundland Daylight Time
    NFT     = +11.50, -- Norfolk Time
    NPT     = +05.75, -- Nepal Time
    NST     = -03.50, -- Newfoundland Standard Time
    NT      = -03.50, -- Newfoundland Time
    NUT     = -11.00, -- Niue Time
    NZDT    = +13.00, -- New Zealand Daylight Time
    NZST    = +12.00, -- New Zealand Standard Time
    OMST    = +06.00, -- Omsk Time
    ORAT    = +05.00, -- Oral Time
    PDT     = -07.00, -- Pacific Daylight Time (North America)
    PET     = -05.00, -- Peru Time
    PETT    = +12.00, -- Kamchatka Time
    PGT     = +10.00, -- Papua New Guinea Time
    PHOT    = +13.00, -- Phoenix Island Time
    PKT     = +05.00, -- Pakistan Standard Time
    PMDT    = -02.00, -- Saint Pierre and Miquelon Daylight time
    PMST    = -03.00, -- Saint Pierre and Miquelon Standard Time
    PONT    = +11.00, -- Pohnpei Standard Time
    PST     = -08.00, -- Pacific Standard Time (North America)
    PST2    = +08.00, -- Philippine Standard Time
    PYST    = -03.00, -- Paraguay Summer Time (South America)[6]
    PYT     = -04.00, -- Paraguay Time (South America)[7]
    RET     = +04.00, -- R�union Time
    ROTT    = -03.00, -- Rothera Research Station Time
    SAKT    = +11.00, -- Sakhalin Island time
    SAMT    = +04.00, -- Samara Time
    SAST    = +02.00, -- South African Standard Time
    SBT     = +11.00, -- Solomon Islands Time
    SCT     = +04.00, -- Seychelles Time
    SGT     = +08.00, -- Singapore Time
    SLST    = +05.50, -- Sri Lanka Time
    SRET    = +11.00, -- Srednekolymsk Time
    SRT     = -03.00, -- Suriname Time
    SST     = -11.00, -- Samoa Standard Time
    SST2    = +08.00, -- Singapore Standard Time
    SYOT    = +03.00, -- Showa Station Time
    TAHT    = -10.00, -- Tahiti Time
    THA     = +07.00, -- Thailand Standard Time
    TFT     = +05.00, -- Indian/Kerguelen
    TJT     = +05.00, -- Tajikistan Time
    TKT     = +13.00, -- Tokelau Time
    TLT     = +09.00, -- Timor Leste Time
    TMT     = +05.00, -- Turkmenistan Time
    TOT     = +13.00, -- Tonga Time
    TVT     = +12.00, -- Tuvalu Time
    ULAT    = +08.00, -- Ulaanbaatar Time
    USZ1    = +02.00, -- Kaliningrad Time
    UYST    = -02.00, -- Uruguay Summer Time
    UYT     = -03.00, -- Uruguay Standard Time
    UZT     = +05.00, -- Uzbekistan Time
    VET     = -04.50, -- Venezuelan Standard Time
    VLAT    = +10.00, -- Vladivostok Time
    VOLT    = +04.00, -- Volgograd Time
    VOST    = +06.00, -- Vostok Station Time
    VUT     = +11.00, -- Vanuatu Time
    WAKT    = +12.00, -- Wake Island Time
    WAST    = +02.00, -- West Africa Summer Time
    WAT     = +01.00, -- West Africa Time
    WEDT    = +01.00, -- Western European Daylight Time
    WEST    = +01.00, -- Western European Summer Time
    WET     = +00.00, -- Western European Time
    WIT     = +07.00, -- Western Indonesian Time
    WST     = +08.00, -- Western Standard Time
    YAKT    = +09.00, -- Yakutsk Time
    YEKT    = +05.00, -- Yekaterinburg Time
    Z       = +00.00, -- Zulu Time (Coordinated Universal Time)
}

--[[
Copyright � 2015, Windower
All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
    * Neither the name of Windower nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Windower BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
]]