| SingTel IDD001 Country Code & Standard Time Difference | |||
| No | Country | Country Code | Standard Time Difference (Hours) |
| 1 | Afghanistan | 93 | -3.5 |
| 2 | Albania | 355 | -7 |
| 3 | Algeria | 213 | -7 |
| 4 | Andorra | 376 | -7 |
| 5 | Angola | 244 | -7 |
| 6 | Anguilla | 1264 | -12 |
| 7 | Antigua & Barbuda | 1268 | -12 |
| 8 | Argentina | 54 | -11 |
| 9 | Armenia | 374 | -4 |
| 10 | Aruba | 297 | -12 |
| 11 | Ascension | 247 | -8 |
| 12 | Australian Antarctic | 672 | |
| Casey | 0 | ||
| Davis | -1 | ||
| Macquarie | -2 | ||
| Mawson | -2 | ||
| 13 | Azerbaijan | 994 | -4 |
| 14 | Bahamas | 1242 | -13 |
| 15 | Bahrain | 973 | -5 |
| 16 | Barbados | 1246 | -12 |
| 17 | Belarus | 375 | -6 |
| 18 | Belau | 680 | 1 |
| 19 | Belize | 501 | -14 |
| 20 | Benin | 229 | -7 |
| 21 | Bermuda | 1441 | -12 |
| 22 | Bhutan | 975 | -2 |
| 23 | Bolivia | 591 | -12 |
| 24 | Bosnia-Herzegovina | 387 | -7 |
| 25 | Botswana | 267 | -6 |
| 26 | Brazil | 55 | -11 |
| 27 | Bulgaria | 359 | -6 |
| 28 | Bukina Faso | 226 | -8 |
| 29 | Burundi | 257 | -6 |
| 30 | Cameroon | 237 | -7 |
| 31 | Cape Verde | 238 | -9 |
| 32 | Cayman Is. | 1345 | -13 |
| 33 | Central African Rep. | 236 | -7 |
| 34 | Chad | 235 | -7 |
| 35 | Chile | 56 | -12 |
| 36 | Colombia | 57 | -13 |
| 37 | Comoros | 269 | -5 |
| 38 | Congo (Brazzaville, Dolise & Pointe Noire) | 242 | -7 |
| 39 | Congo Democratic Rep. | 243 | -7 |
| 40 | Cook Is. | 682 | -18 |
| 41 | Costa Rica | 506 | -14 |
| 42 | Cote d'Ivoire (Ivory Coast) | 225 | -8 |
| 43 | Croatia | 385 | -7 |
| 44 | Cuba (Havana) | 53 | -13 |
| 45 | Cyprus | 357 | -6 |
| 46 | Czech Rep. | 420 | -7 |
| 47 | Diego Garcia | 246 | -2 |
| 48 | Djibouti | 253 | -5 |
| 49 | Dominica | 1767 | -12 |
| 50 | Dominican Rep. | 1809/1829 | -12 |
| 51 | Ecuador | 593 | -13 |
| 52 | Egypt | 20 | -6 |
| 53 | El Salvador | 503 | -14 |
| 54 | Equatorial Guinea | 240 | -7 |
| 55 | Eritrea | 291 | -5 |
| 56 | Estonia | 372 | -6 |
| 57 | Ethiopia | 251 | -5 |
| 58 | Falkland Is. & Dependencies | 500 | -12 |
| 59 | Faroe Is. | 298 | -8 |
| 60 | Fiji | 679 | 4 |
| 61 | French Guiana | 594 | -12 |
| 62 | Gabon | 241 | -7 |
| 63 | Gambia | 220 | -8 |
| 64 | Georgia | 995 | -4 |
| 65 | Ghana | 233 | -8 |
| 66 | Gibraltar | 350 | -7 |
| 67 | Greenland | 299 | -11 |
| 68 | Grenada | 1473 | -12 |
| 69 | Guadeloupe | 590 | -12 |
| 70 | Guam | 1671 | 2 |
| 71 | Guantanamo | 53 | -13 |
| 72 | Guatemala | 502 | -14 |
| 73 | Guinea | 224 | -8 |
| 74 | Guinea-Bissau | 245 | -8 |
| 75 | Guyana | 592 | -12 |
| 76 | Haiti | 509 | -13 |
| 77 | Honduras | 504 | -14 |
| 78 | Hungary | 36 | -7 |
| 79 | Iceland | 354 | -8 |
| 80 | Iran | 98 | -4.5 |
| 81 | Iraq | 964 | -5 |
| 82 | Jamaica | 1876 | -13 |
| 83 | Jordan | 962 | -6 |
| 84 | Kazakhstan | 7 | -2 |
| 85 | Kenya | 254 | -5 |
| 86 | Kiribati (Tarawa & Christmas Is.- Pacific Ocean) | 686 | 4 |
| 87 | Kuwait | 965 | -5 |
| 88 | Kyrghyzstan | 996 | -2 |
| 89 | Laos | 856 | -1 |
| 90 | Latvia | 371 | -6 |
| 91 | Lebanon | 961 | -6 |
| 92 | Lesotho | 266 | -6 |
| 93 | Liberia | 231 | -8 |
| 94 | Libya | 218 | -7 |
| 95 | Liechtenstein | 423 | -7 |
| 96 | Lithuania | 370 | -6 |
| 97 | Luxembourg | 352 | -7 |
| 98 | Macau | 853 | 0 |
| 99 | Macedonia | 389 | -7 |
| 100 | Madagascar | 261 | -5 |
| 101 | Malaysia | 60 | 0 |
| 102 | Malawi | 265 | -6 |
| 103 | Maldives | 960 | -3 |
| 104 | Mali | 223 | -8 |
| 105 | Malta | 356 | -7 |
| 106 | Mariana Is. (Saipan, Tinian & Rota) | 1670 | 2 |
| 107 | Marshall Is. | 692 | 4 |
| 108 | Martinique | 596 | -12 |
| 109 | Mauritania | 222 | -8 |
| 110 | Mauritius & Rodrigues Is. | 230 | -4 |
| 111 | Mexico | 52 | -14 |
| 112 | Micronesia | 691 | |
| Kosrae & Ponape | 3 | ||
| Truk & Yap | 2 | ||
| 113 | Midway Is | 1808 | -19 |
| 114 | Moldova | 373 | -6 |
| 115 | Monaco | 377 | -7 |
| 116 | Mongolia | 976 | 0 |
| 117 | Montenegro | 382 | -7 |
| 118 | Montserrat | 1664 | -12 |
| 119 | Morocco | 212 | -8 |
| 120 | Mozambique | 258 | -6 |
| 121 | Namibia | 264 | -6 |
| 122 | Nauru | 674 | 4 |
| 123 | Nepal | 977 | -2.25 |
| 124 | Netherlands Antilles | 599 | -12 |
| 125 | New Caledonia | 687 | 3 |
| 126 | Nicaragua | 505 | -14 |
| 127 | Niger | 227 | -7 |
| 128 | Nigeria | 234 | -7 |
| 129 | Niue Is. | 683 | -19 |
| 130 | Norfolk Is. | 672 | 3.5 |
| 131 | North Korea | 850 | 1 |
| 132 | Oman | 968 | -4 |
| 133 | Palestine | 970 | -6 |
| 134 | Panama | 507 | -13 |
| 135 | Papua New Guinea | 675 | 2 |
| 136 | Paraguay | 595 | -12 |
| 137 | Peru | 51 | -13 |
| 138 | Poland | 48 | -7 |
| 139 | Portugal | 351 | -8 |
| Azores | 351 | -9 | |
| Madeira | 351 | -8 | |
| 140 | Puerto Rico | 1787/1939 | -12 |
| 141 | Qatar | 974 | -5 |
| 142 | Reunion Is. | 262 | -4 |
| 143 | Romania | 40 | -6 |
| 144 | Rwanda | 250 | -6 |
| 145 | Samoa American | 1684 | -19 |
| 146 | Samoa Western | 685 | -19 |
| 147 | San Marino | 378 | -7 |
| 148 | Sao Tome & Principe | 239 | -8 |
| 149 | Senegal | 221 | -8 |
| 150 | Serbia | 381 | -7 |
| 151 | Seychelles | 248 | -4 |
| 152 | Sierra Leone | 232 | -8 |
| 153 | Slovakia | 421 | -7 |
| 154 | Slovenia | 386 | -7 |
| 155 | Solomon Is. | 677 | 3 |
| 156 | Somalia | 252 | -5 |
| 157 | St. Helena | 290 | -8 |
| 158 | St. Kitts & Nevis | 1869 | -12 |
| 159 | St. Lucia | 1758 | -12 |
| 160 | St. Pierre & Miquelon | 508 | -11 |
| 161 | St. Vincent & The Grenadines | 1784 | -12 |
| 162 | Sudan | 249 | -6 |
| 163 | Suriname | 597 | -11 |
| 164 | Swaziland | 268 | -6 |
| 165 | Syria | 963 | -6 |
| 166 | Tahiti (French Polynesia) | 689 | -18 |
| 167 | Tajikistan | 992 | -4 |
| 168 | Tanzania | 255 | -5 |
| 169 | Tatarstan | 7 | -5 |
| 170 | Thuraya | 88216 | - |
| 171 | Timor Leste (East Timor) | 670 | 1 |
| 172 | Togo | 228 | -8 |
| 173 | Tokelau Is. | 690 | -19 |
| 174 | Tonga | 676 | 5 |
| 175 | Trinidad & Tobago | 1868 | -12 |
| 176 | Tunisia | 216 | -7 |
| 177 | Turkey | 90 | -6 |
| 178 | Turkmenistan | 993 | -4 |
| 179 | Turks & Caicos Is. | 1649 | -13 |
| 180 | Tuvalu | 688 | 4 |
| 181 | Uganda | 256 | -5 |
| 182 | Ukraine | 380 | -6 |
| 183 | Uruguay | 598 | -11 |
| 184 | Uzbekistan | 998 | -4 |
| 185 | Vanuatu | 678 | 3 |
| 186 | Vatican City | 39 | -7 |
| 187 | Venezuela | 58 | -12 |
| 188 | Virgin Is. (British) | 1284 | -12 |
| 189 | Virgin Is. (US) | 1340 | -12 |
| 190 | Wallis & Futuna | 681 | 4 |
| 191 | Yemen Arab Rep. | 967 | -5 |
| 192 | Zambia | 260 | -6 |
| 193 | Zimbabwe | 263 | -6 |
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