| Country | ISD code | Time |
| Afghanistan | 93 | GMT+4:30 |
| Albania | 355 | GMT+01:00 |
| Algeria | 213 | GMT |
| Andorra | 376 | GMT+01:00 |
| Angola | 244 | GMT+01:00 |
| Anguilla | 264 | GMT-04:00 |
| Antigua and Barbuda | 268 | GMT-04:00 |
| Argentina | 54 | GMT-03:00 |
| Armenia | 374 | GMT+04:00 |
| Aruba | 297 | GMT-04:00 |
| Ascension Island | 247 | GMT |
| Australia | 61 | GMT+10:00 |
| Austria | 0 | GMT+01:00 |
| Azerbaijan | 994 | GMT+04:00 |
| Bahamas | 242 | GMT-05:00 |
| Bahrain | 973 | GMT+03:00 |
| Bangladesh | 880 | GMT+06:00 |
| Barbados | 246 | GMT-04:00 |
| Belarus | 375 | GMT+03:00 |
| Belgium | 32 | GMT+01:00 |
| Belize | 501 | GMT-06:00 |
| Benin | 229 | GMT+01:00 |
| Bermuda | 441 | GMT-04:00 |
| Bhutan | 975 | GMT+05:30 |
| Bolivia | 591 | GMT-04:00 |
|
| Country | ISD code | Time |
| Bosnia | 387 | GMT+01:00 |
| Botswana |
267 |
GMT+02:00 |
| Brazil |
55 |
GMT-03:00 |
| Brunei |
673 |
GMT+08:00 |
| Bulgaria |
359 |
GMT+02:00 |
| Burkina Faso |
226 |
GMT |
| Burundi |
257 |
GMT+02:00 |
| Cambodia |
855 |
GMT+07:00 |
| Cameroon |
237 |
GMT+01:00 |
| Canada |
1 |
GMT-04:00 |
| Cape Verde Islands |
238 |
GMT-01:00 |
| Cayman Islands |
345 |
GMT-05:00 |
| Central Africa Republic |
236 |
GMT+01:00 |
| Chad |
235 |
GMT+01:00 |
| Chile |
56 |
GMT-04:00 |
| China |
86 |
GMT+08:00 |
| Columbia |
57 |
GMT-05:00 |
| Comoros Island |
269 |
GMT+03:00 |
| Congo |
242 |
GMT+01:00 |
| Cook Islands |
682 |
GMT-10:00 |
| Costa Rica |
506 |
GMT-06:00 |
| Croatia |
385 |
GMT+01:00 |
| Cuba |
53 |
GMT-03:00 |
| Cyprus |
357 |
GMT+02:00 |
| Czech Republic |
420 |
GMT+01:00 |
|
| Country | ISD code | Time |
| Democratic Republic of Congo (Zaire) |
243 |
GMT+02:00 |
| Denmark |
45 |
GMT+01:00 |
| Diego Garcia |
246 |
GMT+05:00 |
| Djibouti |
253 |
GMT+03:00 |
| Dominica Islands |
767 |
GMT-04:00 |
| Dominican Republic |
809 |
GMT-04:00 |
| Ecuador |
593 |
GMT-05:00 |
| Egypt |
20 |
GMT+02:00 |
| El Salvador |
503 |
GMT-06:00 |
| Equatorial Guinea |
240 |
GMT+01:00 |
| Eritrea |
291 |
GMT+03:00 |
| Estonia |
372 |
GMT+03:00 |
| Ethiopia |
251 |
GMT+03:00 |
| Faeroe Islands |
298 |
GMT |
| Falkland Islands |
500 |
GMT-04:00 |
| Fiji Islands |
679 |
GMT+12:00 |
| Finland |
358 |
GMT+02:00 |
| France |
33 |
GMT+01:00 |
| French Guiana |
594 |
GMT-04:00 |
| French Polynesia |
689 |
GMT-10:00 |
| Gabon |
241 |
GMT+01:00 |
| Georgia |
995 |
GMT+04:00 |
| Germany |
49 |
GMT+01:00 |
| Ghana |
233 |
GMT |
| Gibraltar |
350 |
GMT+01:00 |
|
| Country | ISD code | Time |
| India | 91 | GMT+05:30 |
| Jordan | 962 | GMT+02:00 |
| Kazakhstan | 7 | GMT+06:00 |
| Kenya | 254 | GMT+03:00 |
| Kiribati | 686 | GMT+12:00 |
| Korea, North | 850 | GMT+09:00 |
| Korea, South | 82 | GMT+09:00 |
| Kuwait | 965 | GMT+03:00 |
| Kyrgyzstan | 996 | GMT+06:00 |
| Laos | 856 | GMT+07:00 |
| latvia | 371 | GMT+03:00 |
| Lebanon | 961 | GMT+02:00 |
| Lesotho | 266 | GMT+02:00 |
| Liberia | 231 | GMT |
| Libya | 218 | GMT+02:00 |
| Liechtenstein | 423 | GMT+01:00 |
| Lithuania | 370 | GMT+02:00 |
| Luxembourg | 352 | GMT+01:00 |
| Macau | 853 | GMT+08:00 |
| Macedonia (Fyrom) | 389 | GMT+01:00 |
| Madagascar | 261 | GMT+03:00 |
| Malawi | 265 | GMT+02:00 |
| Malaysia | 60 | GMT+08:00 |
| Maldives Republic | 960 | GMT+05:00 |
| Mali | 223 | GMT |
| Malta | 356 | GMT+01:00 |
|
| Country | ISD code | Time |
| Mariana Islands | 670 | GMT+10:00 |
| Marshall Islands | 692 | GMT+10:00 |
| Martinique | 596 | GMT-04:00 |
| Mauritius | 230 | GMT+04:00 |
| Mayotte Islands | 269 | GMT+03:00 |
| Mexico | 52 | GMT-06:00 |
| Micronesia | 691 | GMT+10:00 |
| Moldova | 373 | GMT+03:00 |
| Monaco | 377 | GMT+01:00 |
| Mongolia | 976 | GMT+08:00 |
| Montserrat | 664 | GMT-04:00 |
| Morocco | 212 | GMT |
| Mozambique | 258 | GMT+02:00 |
| Myanmar (Burma) | 95 | GMT+06:30 |
| Namibia | 264 | GMT+02:00 |
| Nauru | 674 | GMT+12:00 |
| Nepal | 977 | GMT+05:30 |
| Netherlands | 31 | GMT+01:00 |
| Netherlands Antilles | 599 | GMT-04:00 |
| New Caledonia | 687 | GMT+11:00 |
| New Zealand | 64 | GMT+12:00 |
| Nicaragua | 505 | GMT-06:00 |
| Niger | 227 | GMT+01:00 |
| Nigeria | 234 | GMT+01:00 |
| Niue Island | 683 | GMT-11:00 |
|
| Country | ISD code | Time |
| Norfolk Island | 672 | GMT+11:30 |
| Norway | 47 | GMT+01:00 |
| Oman | 968 | GMT+04:00 |
| Pakistan | 92 | GMT+05:00 |
| Palau | 680 | GMT+09:00 |
| Palestine | 970 | GMT+02:00 |
| Panama | 507 | GMT-05:00 |
| Papua New Guinea | 675 | GMT+10:00 |
| Paraguay | 595 | GMT-04:00 |
| Peru | 51 | GMT-05:00 |
| Philippines | 63 | GMT+08:00 |
| Poland | 48 | GMT+01:00 |
| Portugal | 351 | GMT+01:00 |
| Puerto Rico | 787 | GMT-04:00 |
| Qatar | 974 | GMT+03:00 |
| Reunion Island | 262 | GMT+04:00 |
| Romania | 40 | GMT+02:00 |
| Russia | 7 | GMT+03:00 |
| Rwanda | 250 | GMT+02:00 |
| Samoa (American) | 684 | GMT-11:00 |
| Samoa (Western) | 685 | GMT-11:00 |
| San Marino | 378 | GMT+01:00 |
| Sao Tome & Principe | 239 | GMT |
| Saudi Arabia | 966 | GMT+03:00 |
| Senegal | 221 | GMT |
|
| Country | ISD code | Time |
| Togo | 228 | GMT |
| Tonga | 676 | GMT+13:00 |
| Trinidad & Tobago | 868 | GMT-04:00 |
| Tunisia | 216 | GMT+01:00 |
| Turkey | 90 | GMT+02:00 |
| Turkmenistan | 993 | GMT+05:00 |
| Turks & Caicos Islands | 649 | GMT-05:00 |
| Tuvalu | 688 | GMT+12:00 |
| Uganda | 256 | GMT+03:00 |
| Ukraine | 380 | GMT+03:00 |
| United Arab Emirates | 971 | GMT+04:00 |
|
| Country | ISD code | Time |
| United Kingdom | 44 | GMT |
| Uruguay | 598 | GMT-03:00 |
| USA | 1 | GMT-05:00 |
| Uzbekistan | 998 | GMT+06:00 |
| Vanuatu | 678 | GMT+11:00 |
| Venezuela | 58 | GMT-04:00 |
| Vietnam | 84 | GMT+07:00 |
| Futuna Islands | 681 | GMT+12:00 |
| Yemen Arab Republic | 967 | GMT+03:00 |
| Zambia | 260 | GMT+02:00 |
| Zimbabwe | 263 | GMT+02:00 |
|
