Info praktis
Informasi teknis dasar untuk perjalanan dan komunikasi. Zona waktu dapat berubah karena waktu musim panas atau kebijakan pemerintah.
| Negara | Kode telepon | Zona waktu | Voltase | Colokan | TLD |
|---|---|---|---|---|---|
| Andorra | +376 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .ad |
| Uni Emirat Arab | +971 | UTC+4 | 230 V | G | .ae |
| Afghanistan | +93 | UTC+4:30 | 220 V | C, F | .af |
| Antigua dan Barbuda | +1-268 | UTC−4 | 230 V | A, B | .ag |
| Albania | +355 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .al |
| Armenia | +374 | UTC+4 | 230 V | C, F | .am |
| Angola | +244 | UTC+1 | 220 V | C | .ao |
| Argentina | +54 | UTC−3 | 220 V | C, I | .ar |
| Austria | +43 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .at |
| Australia | +61 | UTC+8, UTC+9:30, UTC+10, UTC+10:30, UTC+11 | 230 V | I | .au |
| Azerbaijan | +994 | UTC+4 | 230 V | C, F | .az |
| Bosnia dan Herzegovina | +387 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .ba |
| Barbados | +1-246 | UTC−4 | 115 V | A, B | .bb |
| Bangladesh | +880 | UTC+6 | 220 V | C, D, G | .bd |
| Belgia | +32 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, E | .be |
| Burkina Faso | +226 | UTC+0 | 220 V | C, E | .bf |
| Bulgaria | +359 | UTC+2, UTC+3 (waktu musim panas) | 230 V | C, F | .bg |
| Bahrain | +973 | UTC+3 | 230 V | G | .bh |
| Burundi | +257 | UTC+2 | 220 V | C, E | .bi |
| Benin | +229 | UTC+1 | 220 V | C, E | .bj |
| Brunei | +673 | UTC+8 | 240 V | G | .bn |
| Bolivia | +591 | UTC−4 | 220 V | A, C | .bo |
| Brasil | +55 | UTC−2, UTC−3, UTC−4, UTC−5 | 127 V / 220 V | N, C | .br |
| Bahama | +1-242 | UTC−5, UTC−4 (waktu musim panas) | 120 V | A, B | .bs |
| Bhutan | +975 | UTC+6 | 230 V | D, F, G | .bt |
| Botswana | +267 | UTC+2 | 230 V | D, G, M | .bw |
| Belarus | +375 | UTC+3 | 230 V | C, B | .by |
| Belize | +501 | UTC−6 | 110 V | A, B, G | .bz |
| Kanada | +1 | UTC-8, UTC-7, UTC-6, UTC-5, UTC-4, UTC-3:30 | 120 V | A, B | .ca |
| Republik Demokratik Kongo | +243 | UTC+1, UTC+2 | 220 V | C, E | .cd |
| Republik Afrika Tengah | +236 | UTC+1 | 220 V | C, E | .cf |
| Republik Kongo | +242 | UTC+1 | 230 V | C, E | .cg |
| Swiss | +41 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, J | .ch |
| Pantai Gading | +225 | UTC+0 | 220 V | C, E | .ci |
| Chili | +56 | UTC−6 (Pulau Paskah), UTC−4 (daratan), UTC−3 (Magallanes) | 220 V | C, L | .cl |
| Kamerun | +237 | UTC+1 | 220 V | C, E | .cm |
| Tiongkok | +86 | UTC+8 | 220 V | A, C, I | .cn |
| Kolombia | +57 | UTC−5 | 110 V | A, B | .co |
| Kosta Rika | +506 | UTC−6 | 120 V | A, B | .cr |
| Kuba | +53 | UTC−5, UTC−4 (waktu musim panas) | 110 V | A, B, C, L | .cu |
| Cabo Verde | +238 | UTC-1 | 230 V | C, F | .cv |
| Siprus | +357 | UTC+2 | 230 V | G | .cy |
| Ceko | +420 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, E | .cz |
| Jerman | +49 | UTC+1, UTC+2 (musim panas) | 230 V | C, F | .de |
| Jibuti | +253 | UTC+3 | 220 V | C, E | .dj |
| Denmark | +45 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, E, F, K | .dk |
| Dominika | +1-767 | UTC−4 | 230 V | D, G | .dm |
| Republik Dominika | +1-809 | UTC−4 | 110 V | A, B, C | .do |
| Aljazair | +213 | UTC+1 | 230 V | C, F | .dz |
| Ekuador | +593 | UTC−6 (Galápagos), UTC−5 (daratan) | 110–120 V | A, B | .ec |
| Estonia | +372 | UTC+2, UTC+3 (waktu musim panas) | 230 V | C, F | .ee |
| Mesir | +20 | UTC+2 | 220 V | C, F | .eg |
| Eritrea | +291 | UTC+3 | 230 V | C, L | .er |
| Spanyol | +34 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .es |
| Ethiopia | +251 | UTC+3 | 220 V | C, E, F, L | .et |
| Finlandia | +358 | UTC+2, UTC+3 (waktu musim panas) | 230 V | C, F | .fi |
| Fiji | +679 | UTC+12, UTC+13 (waktu musim panas) | 240 V | I | .fj |
| Mikronesia | +691 | UTC+10, UTC+11 | 120 V | A, B | .fm |
| Prancis | +33 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, E | metropolitan France - .fr; French Guiana - .gf; Guadeloupe - .gp; Martinique - .mq; Mayotte - .yt; Reunion - .re |
| Gabon | +241 | UTC+1 | 220 V | C, E | .ga |
| Britania Raya | +44 | UTC+0, UTC+1 (waktu musim panas) | 230 V | G | .uk |
| Grenada | +1-473 | UTC−4 | 230 V | G | .gd |
| Georgia | +995 | UTC+4 | 220 V | C, F | .ge |
| Ghana | +233 | UTC+0 | 230 V | D, G | .gh |
| Gambia | +220 | UTC+0 | 230 V | G | .gm |
| Guinea | +224 | UTC+0 | 220 V | C, F | .gn |
| Guinea Ekuatorial | +240 | UTC+1 | 220 V | C, E | .gq |
| Yunani | +30 | UTC+2, UTC+3 (waktu musim panas) | 230 V | C, F | .gr |
| Guatemala | +502 | UTC−6 | 120 V | A, B | .gt |
| Guinea-Bissau | +245 | UTC+0 | 220 V | C, F | .gw |
| Guyana | +592 | UTC−4 | 110–240 V | A, B, D, G | .gy |
| Honduras | +504 | UTC−6 | 120 V | A, B | .hn |
| Kroasia | +385 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .hr |
| Haiti | +509 | UTC−5, UTC−4 (waktu musim panas) | 110 V | A, B | .ht |
| Hungaria | +36 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .hu |
| Indonesia | +62 | UTC+7, UTC+8, UTC+9 | 230 V | C, F | .id |
| Irlandia | +353 | UTC+0, UTC+1 (waktu musim panas) | 230 V | G | .ie |
| Israel | +972 | UTC+2 | 230 V | C, H | .il |
| India | +91 | UTC+5:30 | 230 V | C, D, M | .in |
| Irak | +964 | UTC+3 | 230 V | C, D, G | .iq |
| Iran | +98 | UTC+3:30 | 230 V | C, F | .ir |
| Islandia | +354 | UTC+0 | 230 V | C, F | .is |
| Italia | +39 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F, L | .it |
| Jamaika | +1-876 | UTC−5 | 110 V | A, B | .jm |
| Yordania | +962 | UTC+3 | 230 V | C, D, F, G | .jo |
| Jepang | +81 | UTC+9 | 100 V | A, B | .jp |
| Kenya | +254 | UTC+3 | 240 V | G | .ke |
| Kyrgyzstan | +996 | UTC+6 | 220 V | C, F | .kg |
| Kamboja | +855 | UTC+7 | 230 V | A, C, G | .kh |
| Kiribati | +686 | UTC+12, UTC+14 (Kepulauan Line) | 240 V | I | .ki |
| Komoro | +269 | UTC+3 | 220 V | C, E | .km |
| Saint Kitts dan Nevis | +1-869 | UTC−4 | 230 V | D, G | .kn |
| Korea Utara | +850 | UTC+9 | 220 V | C, F | .kp |
| Korea Selatan | +82 | UTC+9 | 220 V | C, F | .kr |
| Kuwait | +965 | UTC+3 | 240 V | G | .kw |
| Kazakhstan | +7 | UTC+5 | 220 V | C, F | .kz |
| Laos | +856 | UTC+7 | 230 V | A, B, C, E, F | .la |
| Lebanon | +961 | UTC+2 | 230 V | C, D, G | .lb |
| Saint Lucia | +1-758 | UTC−4 | 240 V | G | .lc |
| Liechtenstein | +423 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, J | .li |
| Sri Lanka | +94 | UTC+5:30 | 230 V | D, G, M | .lk |
| Liberia | +231 | UTC+0 | 120 V / 220 V | A, B, C, F | .lr |
| Lesotho | +266 | UTC+2 | 220 V | M | .ls |
| Lituania | +370 | UTC+2, UTC+3 (waktu musim panas) | 230 V | C, F | .lt |
| Luksemburg | +352 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .lu |
| Latvia | +371 | UTC+2, UTC+3 (waktu musim panas) | 230 V | C, F | .lv |
| Libya | +218 | UTC+2 | 230 V | C, F | .ly |
| Maroko | +212 | UTC+1 | 220 V | C, E | .ma |
| Monako | +377 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, E | .mc |
| Moldova | +373 | UTC+2, UTC+3 (waktu musim panas) | 230 V | C, F | .md |
| Montenegro | +382 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .me |
| Madagaskar | +261 | UTC+3 | 220 V | C, D, E, J, K | .mg |
| Kepulauan Marshall | +692 | UTC+12 | 120 V | A, B | .mh |
| Makedonia Utara | +389 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .mk |
| Mali | +223 | UTC+0 | 220 V | C, E | .ml |
| Myanmar | +95 | UTC+6:30 | 230 V | C, D, F, G | .mm |
| Mongolia | +976 | UTC+8 | 220 V | C, E | .mn |
| Mauritania | +222 | UTC+0 | 220 V | C, F | .mr |
| Malta | +356 | UTC+1, UTC+2 (waktu musim panas) | 230 V | G | .mt |
| Mauritius | +230 | UTC+4 | 230 V | C, G | .mu |
| Maldives | +960 | UTC+5 | 230 V | G, J, K, L | .mv |
| Malawi | +265 | UTC+2 | 230 V | G | .mw |
| Meksiko | +52 | UTC−6, UTC−7, UTC−8 | 127 V | A, B | .mx |
| Malaysia | +60 | UTC+8 | 240 V | G | .my |
| Mozambik | +258 | UTC+2 | 220 V | C, F, M | .mz |
| Namibia | +264 | UTC+2 | 220 V | D, M | .na |
| Niger | +227 | UTC+1 | 220 V | C, D, E | .ne |
| Nigeria | +234 | UTC+1 | 230 V | D, G | .ng |
| Nikaragua | +505 | UTC−6 | 120 V | A, B | .ni |
| Belanda | +31 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .nl |
| Norwegia | +47 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .no |
| Nepal | +977 | UTC+5:45 | 230 V | C, D, M | .np |
| Nauru | +674 | UTC+12 | 240 V | I | .nr |
| Selandia Baru | +64 | UTC+12, UTC+13 (waktu musim panas) | 230 V | I | .nz |
| Oman | +968 | UTC+4 | 240 V | G | .om |
| Panama | +507 | UTC−5 | 120 V | A, B | .pa |
| Peru | +51 | UTC−5 | 220 V | A, C | .pe |
| Papua Nugini | +675 | UTC+10, UTC+11 | 240 V | I | .pg |
| Filipina | +63 | UTC+8 | 220 V | A, B, C | .ph |
| Pakistan | +92 | UTC+5 | 230 V | C, D | .pk |
| Polandia | +48 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, E | .pl |
| Portugal | +351 | UTC+0, UTC+1 (waktu musim panas) | 230 V | C, F | .pt |
| Palau | +680 | UTC+9 | 120 V | A, B | .pw |
| Paraguay | +595 | UTC−3 | 220 V | A, C | .py |
| Qatar | +974 | UTC+3 | 240 V | D, G | .qa |
| Rumania | +40 | UTC+2, UTC+3 (waktu musim panas) | 230 V | C, F | .ro |
| Serbia | +381 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .rs |
| Rusia | +7 | UTC+2, UTC+3, UTC+4, UTC+5, UTC+6, UTC+7, UTC+8, UTC+9, UTC+10, UTC+11, UTC+12 | 220 V | C, F | .ru |
| Rwanda | +250 | UTC+2 | 230 V | C, J | .rw |
| Arab Saudi | +966 | UTC+3 | 230 V | G | .sa |
| Kepulauan Solomon | +677 | UTC+11 | 230 V | G, I | .sb |
| Seychelles | +248 | UTC+4 | 240 V | G | .sc |
| Sudan | +249 | UTC+2 | 230 V | C, D | .sd |
| Swedia | +46 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .se |
| Singapura | +65 | UTC+8 | 230 V | G | .sg |
| Slovenia | +386 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .si |
| Slowakia | +421 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, E | .sk |
| Sierra Leone | +232 | UTC+0 | 230 V | D, G | .sl |
| San Marino | +378 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F, L | .sm |
| Senegal | +221 | UTC+0 | 230 V | C, D, E, K | .sn |
| Somalia | +252 | UTC+3 | 220 V | C, G | .so |
| Suriname | +597 | UTC−3 | 127–230 V | A, B, C, F | .sr |
| Sudan Selatan | +211 | UTC+2 | 230 V | C, D | .ss |
| São Tomé dan Príncipe | +239 | UTC+0 | 220 V | C, F | .st |
| El Salvador | +503 | UTC−6 | 115 V | A, B | .sv |
| Suriah | +963 | UTC+3 | 220 V | C, E, L | .sy |
| Eswatini | +268 | UTC+2 | 230 V | M | .sz |
| Chad | +235 | UTC+1 | 220 V | C, E | .td |
| Togo | +228 | UTC+0 | 220 V | C, E | .tg |
| Thailand | +66 | UTC+7 | 220 V | A, B, C, O | .th |
| Tajikistan | +992 | UTC+5 | 220 V | C, F | .tj |
| Timor-Leste | +670 | UTC+9 | 220 V | C, E, F, I | .tl |
| Turkmenistan | +993 | UTC+5 | 220 V | C, F | .tm |
| Tunisia | +216 | UTC+1 | 230 V | C, E | .tn |
| Tonga | +676 | UTC+13 | 240 V | I | .to |
| Turki | +90 | UTC+3 | 220 V | C, F | .tr |
| Trinidad dan Tobago | +1-868 | UTC−4 | 115 V | A, B | .tt |
| Tuvalu | +688 | UTC+12 | 230 V | I | .tv |
| Tanzania | +255 | UTC+3 | 230 V | D, G | .tz |
| Ukraina | +380 | UTC+2, UTC+3 (waktu musim panas) | 230 V | C, F | .ua |
| Uganda | +256 | UTC+3 | 240 V | G | .ug |
| Amerika Serikat | +1 | UTC−5, UTC−6, UTC−7, UTC−8, UTC−9, UTC−10 | 120 V | A, B | .us |
| Uruguay | +598 | UTC−3 | 230 V | C, F, L | .uy |
| Uzbekistan | +998 | UTC+5 | 220 V | C, F | .uz |
| Vatikan | +39 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F, L | .va |
| Saint Vincent dan Grenadine | +1-784 | UTC−4 | 230 V | A, B, G | .vc |
| Venezuela | +58 | UTC−4 | 110–120 V | A, B | .ve |
| Vietnam | +84 | UTC+7 | 220 V | A, C, D | .vn |
| Vanuatu | +678 | UTC+11 | 230 V | G, I | .vu |
| Samoa | +685 | UTC+13 | 230 V | I | .ws |
| Kosovo | +383 | UTC+1, UTC+2 (waktu musim panas) | 230 V | C, F | .xk |
| Yaman | +967 | UTC+3 | 230 V | A, D, G | .ye |
| Afrika Selatan | +27 | UTC+2 | 230 V | C, M, N | .za |
| Zambia | +260 | UTC+2 | 230 V | C, D, G | .zm |
| Zimbabwe | +263 | UTC+2 | 230 V | D, G | .zw |
Voltase dan tipe colokan mengikuti standar domestik utama. Beberapa negara memakai lebih dari satu tipe colokan atau frekuensi.
Tipe colokan mengikuti klasifikasi huruf IEC. Adaptor mungkin diperlukan meskipun voltase sama.
39 negara: Antigua dan Barbuda, Barbados, Bolivia, Bahama, Belize, Kanada, Tiongkok, Kolombia, Kosta Rika, Kuba, Republik Dominika, Ekuador, Mikronesia, Guatemala, Guyana, Honduras, Haiti, Jamaika, Jepang, Kamboja, Laos, Liberia, Kepulauan Marshall, Meksiko, Nikaragua, Panama, Peru, Filipina, Palau, Paraguay, Suriname, El Salvador, Thailand, Trinidad dan Tobago, Amerika Serikat, Saint Vincent dan Grenadine, Venezuela, Vietnam, Yaman
33 negara: Antigua dan Barbuda, Barbados, Bahama, Belarus, Belize, Kanada, Kolombia, Kosta Rika, Kuba, Republik Dominika, Ekuador, Mikronesia, Guatemala, Guyana, Honduras, Haiti, Jamaika, Jepang, Laos, Liberia, Kepulauan Marshall, Meksiko, Nikaragua, Panama, Filipina, Palau, Suriname, El Salvador, Thailand, Trinidad dan Tobago, Amerika Serikat, Saint Vincent dan Grenadine, Venezuela
124 negara: Andorra, Afghanistan, Albania, Armenia, Angola, Argentina, Austria, Azerbaijan, Bosnia dan Herzegovina, Bangladesh, Belgia, Burkina Faso, Bulgaria, Burundi, Benin, Bolivia, Brasil, Belarus, Republik Demokratik Kongo, Republik Afrika Tengah, Republik Kongo, Swiss, Pantai Gading, Chili, Kamerun, Tiongkok, Kuba, Cabo Verde, Ceko, Jerman, Jibuti, Denmark, Republik Dominika, Aljazair, Estonia, Mesir, Eritrea, Spanyol, Ethiopia, Finlandia, Prancis, Gabon, Georgia, Guinea, Guinea Ekuatorial, Yunani, Guinea-Bissau, Kroasia, Hungaria, Indonesia, Israel, India, Irak, Iran, Islandia, Italia, Yordania, Kyrgyzstan, Kamboja, Komoro, Korea Utara, Korea Selatan, Kazakhstan, Laos, Lebanon, Liechtenstein, Liberia, Lituania, Luksemburg, Latvia, Libya, Maroko, Monako, Moldova, Montenegro, Madagaskar, Makedonia Utara, Mali, Myanmar, Mongolia, Mauritania, Mauritius, Mozambik, Niger, Belanda, Norwegia, Nepal, Peru, Filipina, Pakistan, Polandia, Portugal, Paraguay, Rumania, Serbia, Rusia, Rwanda, Sudan, Swedia, Slovenia, Slowakia, San Marino, Senegal, Somalia, Suriname, Sudan Selatan, São Tomé dan Príncipe, Suriah, Chad, Togo, Thailand, Tajikistan, Timor-Leste, Turkmenistan, Tunisia, Turki, Ukraina, Uruguay, Uzbekistan, Vatikan, Vietnam, Kosovo, Afrika Selatan, Zambia
29 negara: Bangladesh, Bhutan, Botswana, Dominika, Ghana, Guyana, India, Irak, Yordania, Saint Kitts dan Nevis, Lebanon, Sri Lanka, Madagaskar, Myanmar, Namibia, Niger, Nigeria, Nepal, Pakistan, Qatar, Sudan, Sierra Leone, Senegal, Sudan Selatan, Tanzania, Vietnam, Yaman, Zambia, Zimbabwe
32 negara: Belgia, Burkina Faso, Burundi, Benin, Republik Demokratik Kongo, Republik Afrika Tengah, Republik Kongo, Pantai Gading, Kamerun, Ceko, Jibuti, Denmark, Ethiopia, Prancis, Gabon, Guinea Ekuatorial, Komoro, Laos, Maroko, Monako, Madagaskar, Mali, Mongolia, Niger, Polandia, Slowakia, Senegal, Suriah, Chad, Togo, Timor-Leste, Tunisia
65 negara: Andorra, Afghanistan, Albania, Armenia, Austria, Azerbaijan, Bosnia dan Herzegovina, Bulgaria, Bhutan, Cabo Verde, Jerman, Denmark, Aljazair, Estonia, Mesir, Spanyol, Ethiopia, Finlandia, Georgia, Guinea, Yunani, Guinea-Bissau, Kroasia, Hungaria, Indonesia, Iran, Islandia, Italia, Yordania, Kyrgyzstan, Korea Utara, Korea Selatan, Kazakhstan, Laos, Liberia, Lituania, Luksemburg, Latvia, Libya, Moldova, Montenegro, Makedonia Utara, Myanmar, Mauritania, Mozambik, Belanda, Norwegia, Portugal, Rumania, Serbia, Rusia, Swedia, Slovenia, San Marino, Suriname, São Tomé dan Príncipe, Tajikistan, Timor-Leste, Turkmenistan, Turki, Ukraina, Uruguay, Uzbekistan, Vatikan, Kosovo
46 negara: Uni Emirat Arab, Bangladesh, Bahrain, Brunei, Bhutan, Botswana, Belize, Siprus, Dominika, Britania Raya, Grenada, Ghana, Gambia, Guyana, Irlandia, Irak, Yordania, Kenya, Kamboja, Saint Kitts dan Nevis, Kuwait, Lebanon, Saint Lucia, Sri Lanka, Myanmar, Malta, Mauritius, Maldives, Malawi, Malaysia, Nigeria, Oman, Qatar, Arab Saudi, Kepulauan Solomon, Seychelles, Singapura, Sierra Leone, Somalia, Tanzania, Uganda, Saint Vincent dan Grenadine, Vanuatu, Yaman, Zambia, Zimbabwe
1 negara: Israel
14 negara: Argentina, Australia, Tiongkok, Fiji, Kiribati, Nauru, Selandia Baru, Papua Nugini, Kepulauan Solomon, Timor-Leste, Tonga, Tuvalu, Vanuatu, Samoa
5 negara: Swiss, Liechtenstein, Madagaskar, Maldives, Rwanda
4 negara: Denmark, Madagaskar, Maldives, Senegal
10 negara: Chili, Kuba, Eritrea, Ethiopia, Italia, Maldives, San Marino, Suriah, Uruguay, Vatikan
9 negara: Botswana, India, Sri Lanka, Lesotho, Mozambik, Namibia, Nepal, Eswatini, Afrika Selatan
2 negara: Brasil, Afrika Selatan
1 negara: Thailand
Negara besar dapat mencakup beberapa zona waktu. Waktu musim panas (DST) menggeser jam satu jam di beberapa negara, tetapi tidak di semua negara tropis. Selalu periksa zona waktu setempat saat merencanakan penerbangan atau rapat.