| # | A | Alpha Time Zone (Military) | 1
|
|---|
| 1 | ACDT | Australian Central Daylight Time | 10.5 |
| 2 | ACST | Australian Central Standard Time | 9.5 |
| 3 | ADT | Atlantic Daylight Time (N America) | -3 |
| 4 | AEDT | Australian Eastern Daylight Time | 11 |
| 5 | AEST | Australian Eastern Standard Time | 10 |
| 6 | AFT | Afghanistan Time | 4.5 |
| 7 | AKDT | Alaskan Standard Daylight Saving Time | -8 |
| 8 | AKST | Alaskan Standard Time | -9 |
| 9 | ART | Argentina Time | -3 |
| 10 | AST | Atlantic Standard Time (N America) | -4 |
| 11 | AWST | Australian Western Standard Time | 8 |
| 12 | AZ | Azores Time | -2 |
| 13 | B | Bravo Time Zone (Military) | 2 |
| 14 | BOT | Bolivia Time | -4 |
| 15 | BRA | Brazil Time | -3 |
| 16 | BST | British Summer Time | 1 |
| 17 | BT | Baghdad Time | 3 |
| 18 | C | Charlie Time Zone (Military) | 3 |
| 19 | CAT | Central Africa Time | 2 |
| 20 | CDT | Central Daylight Saving Time (N America) | -5 |
| 21 | CEST | Central European Summer Time | 2 |
| 22 | CET | Central European Time | 1 |
| 23 | CLST | Chile Summer Time | -3 |
| 24 | CLT | Chile Time | -4 |
| 25 | COT | Colombia Time | -5 |
| 26 | CST | Central Standard Time (N America) | -6 |
| 27 | CXT | Christmas Island Time | 7 |
| 28 | D | Delta Time Zone (Military) | 4 |
| 29 | DAVT | Davis Time (Antarctica) | 7 |
| 30 | DDUT | Dumont-d'Urville Time (Antarctica) | 10 |
| 31 | E | Echo Time Zone (Military) | 5 |
| 32 | EAT | East Africa Time | 3 |
| 33 | ECT | Ecuador Time | -5 |
| 34 | EDT | Eastern Daylight Saving Time (N America) | -4 |
| 35 | EEST | Eastern European Summer Time | 3 |
| 36 | EET | Eastern European Time | 2 |
| 37 | EST | Eastern Standard Time (N America) | -5 |
| 38 | F | Foxtrot Time Zone (Military) | 6 |
| 39 | FKST | Falkland Islands Summer Time | -3 |
| 40 | FKT | Falkland Islands Time | -4 |
| 41 | G | Golf Time Zone (Military) | 7 |
| 42 | GMT | Greenwich Mean Time | 0 |
| 43 | GST | Guam Standard Time | 10 |
| 44 | GYT | Guyana Time | -4 |
| 45 | H | Hotel Time Zone (Military) | 8 |
| 46 | HAA | Heure AvancΘe de l'Atlantique (N America) | -3 |
| 47 | HAC | Heure AvancΘe du Centre (N America) | -5 |
| 48 | HADT | Hawaii-Aleutian Daylight Time (N America) | -9 |
| 49 | HAE | Heure AvancΘe de l'Est (N America) | -4 |
| 50 | HAP | Heure AvancΘe du Pacifique (N America) | -7 |
| 51 | HAR | Heure AvancΘe des Rocheuses (N America) | -6 |
| 52 | HAST | Hawaii-Aleutian Standard Time (N America) | -10 |
| 53 | HAT | Heure AvancΘe de Terre-Neuve (N America) | -2.5 |
| 54 | HAY | Heure AvancΘe du Yukon (N America) | -8 |
| 55 | HKT | Hong Kong Time | 8 |
| 56 | HNA | Heure Normale de l'Atlantique (N America) | -4 |
| 57 | HNC | Heure Normale du Centre (N America) | -6 |
| 58 | HNE | Heure Normale de l'Est (N America) | -5 |
| 59 | HNP | Heure Normale du Pacifique (N America) | -8 |
| 60 | HNR | Heure Normale des Rocheuses (N America) | -7 |
| 61 | HNT | Heure Normale de Terre-Neuve (N America) | -3.5 |
| 62 | HNY | Heure Normale du Yukon (N America) | -9 |
| 63 | HST | Hawaii Standard Time | -10 |
| 64 | I | India Time Zone (Military) | 9 |
| 65 | IDLE | International Date Line East | 12 |
| 66 | IDLW | International Date Line West | -12 |
| 67 | IRT | Iran Time | 3.5 |
| 68 | IST | Irish Summer Time | 1 |
| 69 | JST | Japan Standard Time | 9 |
| 70 | K | Kilo Time Zone (Military) | 10 |
| 71 | KST | Korean Standard Time | 9 |
| 72 | L | Lima Time Zone (Military) | 11 |
| 73 | M | Mike Time Zone (Military) | 12 |
| 74 | MAL | Malaysia Time | 8 |
| 75 | MAWT | Mawson Time (Antarctica) | 6 |
| 76 | MDT | Mountain Daylight Saving Time (N America) | -6 |
| 77 | MEX | Mexico Time | -6 |
| 78 | MMT | Myanmar Time | 6.5 |
| 79 | MSD | Moscow Summer Time | 4 |
| 80 | MSK | Moscow Time | 3 |
| 81 | MST | Mountain Standard Time (N America) | -7 |
| 82 | MUT | Mauritius Time | 4 |
| 83 | MVT | Maldives Time | 5 |
| 84 | N | November Time Zone (Military) | -1 |
| 85 | NDT | Newfoundland Daylight Time | -2.5 |
| 86 | NFT | Norfolk Island Time | 11.5 |
| 87 | NPT | Nepal Time | 5.75 |
| 88 | NST | Newfoundland Standard Time | -3.5 |
| 89 | NT | Nome Time | -11 |
| 90 | NZDT | New Zealand Daylight Saving Time | 13 |
| 91 | NZST | New Zealand Standard Time | 12 |
| 92 | NZT | New Zealand Time | 12 |
| 93 | O | Oscar Time Zone (Military) | -2 |
| 94 | P | Papa Time Zone (Military) | -3 |
| 95 | PET | Peru Time | -5 |
| 96 | PDT | Pacific Daylight Saving Time (N America) | -7 |
| 97 | PHT | Philippine Time | 8 |
| 98 | PKT | Pakistan Time | 5 |
| 99 | PST | Pacific Standard Time (N America) | -8 |
| 100 | PYST | Paraguay Summer Time | -3 |
| 101 | PYT | Paraguay Time | -4 |
| 102 | Q | Quebec Time Zone (Military) | -4 |
| 103 | R | Romeo Time Zone (Military) | -5 |
| 104 | S | Sierra Time Zone (Military) | -6 |
| 105 | SGT | Singapore Time | 8 |
| 106 | SST | Singapore Standard Time | 8 |
| 107 | SCT | Seychelles Time | 4 |
| 108 | T | Tango Time Zone (Military) | -7 |
| 109 | THA | Thailand Standard Time | 7 |
| 110 | THAT | Tahiti Time | -10 |
| 111 | U | Uniform Time Zone (Military) | -8 |
| 112 | UT | Universal Time | 0 |
| 113 | UTC | Coordinated Universal Time | 0 |
| 114 | UYT | Uruguay Time | -3 |
| 115 | V | Victor Time Zone (Military) | -9 |
| 116 | VET | Venezuela Time | -4 |
| 117 | W | Whiskey Time Zone (Military) | -10 |
| 118 | WAT | West Africa Time | -1 |
| 119 | WEST | Western European Summer Time | 1 |
| 120 | WET | Western European Time | 0 |
| 121 | X | X-ray Time Zone (Military) | -11 |
| 122 | Y | Yankee Time Zone (Military) | -12 |
| 123 | YDT | Yukon Daylight Saving Time | -8 |
| 124 | YST | Yukon Standard Time | -9 |
| 125 | Z | Zulu Time Zone (Military) | 0 |
| 126 | ZP4 | Russia Zone 3 | 4 |
| 127 | ZP5 | Russia Zone 4 | 5 |
| 128 | ZP6 | Russia Zone 5 | 6
|
