Time zone table | setting

# Time zone table | setting Recoeve.net timezone 설정을 위해 공부/연구하는 중. 어떻게 선택하게 해야 쉽게 설정 가능할까나? ## PH

• 2023-10-26 : Update. Vatican img. 근데 왜 sublime text 에서 HTML syntax 로 안보여주고 하얗게 일반 text 처럼 나올까나? 이상하네 ㅡ,.ㅡ;;;
• 2023-07-05 : First posting.

## TOC ## Time in javascript ```[.linenums.lang-js] new Date(); Wed Jul 05 2023 08:21:44 GMT+0900 (한국 표준시) // Local time 으로 표시해줌. UTC+09:00 new Date().toUTCString(); 'Tue, 04 Jul 2023 23:42:45 GMT' // UTC time 으로 표시해줌. new Date().toISOString(); '2023-07-04T23:43:10.697Z' // YYYY-MM-DDTHH:MM:SS.SSSZ 형태로 표현. (UTC time) let now=new Date(); now; Wed Jul 05 2023 08:49:28 GMT+0900 (한국 표준시) toISOString: ƒ toISOString() :: '2023-07-04T23:49:28.754Z' // Date 에는 어떤 function 들이 있을까? Date.prototype; constructor: ƒ Date() :: Wed Jul 05 2023 08:49:28 GMT+0900 (한국 표준시) getDate: ƒ getDate() :: 5 getDay: ƒ getDay() :: 3 (Wed 수요일이라서 3인가???) getFullYear: ƒ getFullYear() :: 2023 getHours: ƒ getHours() :: 8 getMilliseconds: ƒ getMilliseconds() :: 754 getMinutes: ƒ getMinutes() :: 49 getMonth: ƒ getMonth() :: 6 // Month from 0 base. getSeconds: ƒ getSeconds() :: 28 getTime: ƒ getTime() :: 1688514568754 getTimezoneOffset: ƒ getTimezoneOffset() :: -540 (-9*60) getUTCDate: ƒ getUTCDate() :: 4 getUTCDay: ƒ getUTCDay() :: 2 (화요일이라서 2???) getUTCFullYear: ƒ getUTCFullYear() :: 2023 getUTCHours: ƒ getUTCHours() :: 23 getUTCMilliseconds: ƒ getUTCMilliseconds() :: 754 getUTCMinutes: ƒ getUTCMinutes() :: 49 getUTCMonth: ƒ getUTCMonth() :: 6 // Month from 0 base. getUTCSeconds: ƒ getUTCSeconds() :: 28 getYear: ƒ getYear() :: 123 setDate: ƒ setDate() setFullYear: ƒ setFullYear() setHours: ƒ setHours() setMilliseconds: ƒ setMilliseconds() setMinutes: ƒ setMinutes() setMonth: ƒ setMonth() setSeconds: ƒ setSeconds() setTime: ƒ setTime() setUTCDate: ƒ setUTCDate() setUTCFullYear: ƒ setUTCFullYear() setUTCHours: ƒ setUTCHours() setUTCMilliseconds: ƒ setUTCMilliseconds() setUTCMinutes: ƒ setUTCMinutes() setUTCMonth: ƒ setUTCMonth() setUTCSeconds: ƒ setUTCSeconds() setYear: ƒ setYear() toDateString: ƒ toDateString() :: 'Wed Jul 05 2023' toGMTString: ƒ toUTCString() :: 'Tue, 04 Jul 2023 23:49:28 GMT' toISOString: ƒ toISOString() :: '2023-07-04T23:49:28.754Z' toJSON: ƒ toJSON() :: '2023-07-04T23:49:28.754Z' toLocaleDateString: ƒ toLocaleDateString() :: '2023. 7. 5.' toLocaleString: ƒ toLocaleString() :: '2023. 7. 5. 오전 8:49:28' toLocaleTimeString: ƒ toLocaleTimeString() :: '오전 8:49:28' toString: ƒ toString() :: 'Wed Jul 05 2023 08:49:28 GMT+0900 (한국 표준시)' toTimeString: ƒ toTimeString() :: '08:49:28 GMT+0900 (한국 표준시)' toUTCString: ƒ toUTCString() :: 'Tue, 04 Jul 2023 23:49:28 GMT' valueOf: ƒ valueOf() :: 1688514568754 Symbol(Symbol.toPrimitive): ƒ [Symbol.toPrimitive]() ```/ ```[.linenums.lang-js] let UTCDateTime="2023-07-05 10:16:37"; let [datePart, timePart]=UTCDateTime.split(' '); let [year, month, day]=datePart.split('-'); let [hours, minutes, seconds]=timePart.split(':'); let utcDate=new Date(Date.UTC(year, month-1, day, hours, minutes, seconds)); // Month from 0 base. let dateTimeISO=new Date(utcDate.getTime()+9*60*60*1000).toISOString(); // UTC+09:00 let [dateT, timeT]=dateTimeISO.split("T"); str=`${dateT} ${timeT.substring(0,8)}`; // seconds toFixed(0). ```/

## Timezone table Browser 에서 Data 를 cache 를 안해놓나? 왜 초반엔 큰 그림으로 국기가 표현되지? =ㅇ=;;; Recoeve.net 에서 구현해 놓은건 큰 그림 load 없이 바로 잘 보여주던데 ㅡ,.ㅡ;;;

UTC offset	Locations that do not use DST		Locations that use DST
UTC−12:00		Baker Island  Howland Island
UTC−11:00		American Samoa  Jarvis Island  Kingman Reef  Midway Atoll  Niue  Palmyra Atoll
UTC−10:00		Cook Islands  French Polynesia (most)  Johnston Atoll  United States: Hawaii		United States: Andreanof Islands, Islands of Four Mountains, Near Islands, Rat Islands (Aleutian Islands, Alaska)
UTC−09:30		French Polynesia: Marquesas Islands
UTC−09:00		French Polynesia: Gambier Islands		United States: Alaska (most)
UTC−08:00		Clipperton Island  Pitcairn Islands		Canada: British Columbia (most)  Mexico: Baja California  United States: California, Idaho (north), Nevada (most), Oregon (most), Washington
UTC−07:00		Canada: British Columbia (northeast), Yukon  Mexico: Baja California Sur, Nayarit (most), Sinaloa, Sonora  United States: Arizona (most)		Canada: Alberta, British Columbia (southeast), Northwest Territories, Nunavut (west)  Mexico: Chihuahua (northwest border)  United States: Arizona (Navajo Nation), Colorado, Idaho (most), Kansas (west), Montana, Nebraska (west), New Mexico, Nevada (northeast border), North Dakota (southwest), Oregon (east), South Dakota (west), Texas (west), Utah, Wyoming
UTC−06:00		Belize  Canada: Saskatchewan (most)  Costa Rica  Ecuador: Galápagos  El Salvador  Guatemala  Honduras  Mexico (most)  Nicaragua		Canada: Manitoba, Nunavut (central), Ontario (west)  Chile: Easter Island  Mexico (northeast border)  United States: Alabama, Arkansas, Florida (northwest), Illinois, Indiana (northwest, southwest), Iowa, Kansas (most), Kentucky (west), Louisiana, Michigan (northwest border), Minnesota, Mississippi, Missouri, Nebraska (most), North Dakota (most), Oklahoma, South Dakota (most), Tennessee (most), Texas (most), Wisconsin
UTC−05:00		Brazil: Acre, Amazonas (southwest)  Canada: Atikokan, Mishkeegogamang, Southampton Island  Cayman Islands  Colombia  Ecuador (most)  Jamaica  Mexico: Quintana Roo  Navassa Island  Panama  Peru		Bahamas  Canada: Nunavut (east), Ontario (most), Quebec (most)  Cuba  Haiti  Turks and Caicos Islands  United States: Connecticut, Delaware, District of Columbia, Florida (most), Georgia, Indiana (most), Kentucky (most), Maine, Maryland, Massachusetts, Michigan (most), New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee (east), Vermont, Virginia, West Virginia
UTC−04:00		Anguilla  Antigua and Barbuda  Aruba  Barbados  Bolivia  Brazil: Amazonas (most), Mato Grosso, Mato Grosso do Sul, Rondônia, Roraima  British Virgin Islands  Canada: Quebec (east)  Caribbean Netherlands  Curaçao  Dominica  Dominican Republic  Grenada  Guadeloupe  Guyana  Martinique  Montserrat  Puerto Rico  Saint Barthélemy  Saint Kitts and Nevis  Saint Lucia  Saint Martin  Saint Vincent and the Grenadines  Sint Maarten  Trinidad and Tobago  U.S. Virgin Islands  Venezuela		Bermuda  Canada: Labrador (most), New Brunswick, Nova Scotia, Prince Edward Island  Chile (most)  Greenland: Pituffik Space Base  Paraguay
UTC−03:30				Canada: Newfoundland, Labrador (southeast)
UTC−03:00		Argentina  Brazil (most)  Chile: Magallanes Region  Falkland Islands  French Guiana  Suriname  Uruguay		Saint Pierre and Miquelon
UTC−02:00		Brazil: Fernando de Noronha  Greenland (most)  South Georgia and the South Sandwich Islands
UTC−01:00		Cape Verde		Greenland: Ittoqqortoormiit  Portugal: Azores
UTC+00:00		Burkina Faso  Gambia  Ghana  Greenland: National Park (east coast)  Guinea  Guinea-Bissau  Iceland  Ivory Coast  Liberia  Mali  Mauritania  Saint Helena, Ascension and Tristan da Cunha  Senegal  Sierra Leone  São Tomé and Príncipe  Togo		Faroe Islands  Guernsey  Ireland  Isle of Man  Jersey  Portugal (most)  Spain: Canary Islands  United Kingdom
UTC+01:00		Algeria  Angola  Benin  Cameroon  Central African Republic  Chad  Congo  Democratic Republic of the Congo: Équateur, Kinshasa, Kongo Central, Kwango, Kwilu, Mai-Ndombe, Mongala, Nord-Ubangi, Sud-Ubangi, Tshuapa  Equatorial Guinea  Gabon  Morocco  Niger  Nigeria  Tunisia  Western Sahara		Albania  Andorra  Austria  Belgium  Bosnia and Herzegovina  Croatia  Czech Republic  Denmark  France (metropolitan)  Germany  Gibraltar  Hungary  Italy  Kosovo  Liechtenstein  Luxembourg  Malta  Monaco  Montenegro  Netherlands (European)  North Macedonia  Norway  Poland  San Marino  Serbia  Slovakia  Slovenia  Spain (most)  Sweden  Switzerland  Vatican City
UTC+02:00		Botswana  Burundi  Democratic Republic of the Congo (most)  Eswatini  Lesotho  Libya  Malawi  Mozambique  Namibia  Russia: Kaliningrad  Rwanda  South Africa (most)  South Sudan  Sudan  Zambia  Zimbabwe		Akrotiri and Dhekelia  Bulgaria  Cyprus  Egypt  Estonia  Finland  Greece  Israel  Latvia  Lebanon  Lithuania  Moldova  Northern Cyprus  Palestine  Romania  Transnistria  Ukraine (most)
UTC+03:00		Abkhazia  Bahrain  Belarus  Comoros  Djibouti  Eritrea  Ethiopia  French Southern and Antarctic Lands: Scattered Islands  Iraq  Jordan  Kenya  Kuwait  Madagascar  Mayotte  Qatar  Russia (most of European part)  Saudi Arabia  Somalia  Somaliland  South Africa: Prince Edward Islands  South Ossetia  Syria  Tanzania  Turkey  Uganda  Ukraine: occupied territories  Yemen
UTC+03:30		Iran
UTC+04:00		Armenia  Artsakh  Azerbaijan  French Southern and Antarctic Lands: Crozet Islands  Georgia  Mauritius  Oman  Russia: Astrakhan, Samara, Saratov, Udmurtia, Ulyanovsk  Réunion  Seychelles  United Arab Emirates
UTC+04:30		Afghanistan
UTC+05:00		French Southern and Antarctic Lands: Kerguelen Islands, Saint Paul Island, Amsterdam Island  Heard Island and McDonald Islands  Kazakhstan: Aktobe, Atyrau, Baikonur, Kyzylorda, Mangystau, West Kazakhstan  Maldives  Pakistan  Russia: Bashkortostan, Chelyabinsk, Khanty-Mansi, Kurgan, Orenburg, Perm, Sverdlovsk, Tyumen, Yamalia  Tajikistan  Turkmenistan  Uzbekistan
UTC+05:30		India  Sri Lanka
UTC+05:45		Nepal
UTC+06:00		Bangladesh  Bhutan  British Indian Ocean Territory  Kazakhstan (most)  Kyrgyzstan  Russia: Omsk
UTC+06:30		Cocos Islands  Myanmar
UTC+07:00		Cambodia  Christmas Island  Indonesia: Sumatra, Java, West Kalimantan, Central Kalimantan  Laos  Mongolia: Bayan-Ölgii, Khovd, Uvs  Russia: Altai Krai, Altai Republic, Kemerovo, Khakassia, Krasnoyarsk, Novosibirsk, Tomsk, Tuva  Thailand  Vietnam
UTC+08:00		Australia: Western Australia (most)  Brunei  China  Hong Kong  Indonesia: South Kalimantan, East Kalimantan, North Kalimantan, Sulawesi, Lesser Sunda Islands  Macau  Malaysia  Mongolia (most)  Philippines  Russia: Buryatia, Irkutsk  Singapore  Taiwan
UTC+08:45		Australia: Eucla
UTC+09:00		East Timor  Indonesia: Maluku Islands, Western New Guinea  Japan  North Korea  Palau  Russia: Amur, Sakha (most), Zabaykalsky  South Korea
UTC+09:30		Australia: Northern Territory		Australia: South Australia
UTC+10:00		Australia: Queensland  Guam  Micronesia: Chuuk, Yap  Northern Mariana Islands  Papua New Guinea (most)  Russia: Jewish, Khabarovsk, Primorsky, Sakha (central-east)		Australia: Australian Capital Territory, Jervis Bay Territory, New South Wales (most), Tasmania, Victoria
UTC+10:30				Australia: Lord Howe Island
UTC+11:00		Micronesia: Kosrae, Pohnpei  New Caledonia  Papua New Guinea: Bougainville  Russia: Magadan, Sakha (east), Sakhalin  Solomon Islands  Vanuatu		Norfolk Island
UTC+12:00		Fiji  Kiribati: Gilbert Islands  Marshall Islands  Nauru  Russia: Chukotka, Kamchatka  Tuvalu  Wake Island  Wallis and Futuna		New Zealand (most)
UTC+12:45				New Zealand: Chatham Islands
UTC+13:00		Kiribati: Phoenix Islands  Samoa  Tokelau  Tonga
UTC+14:00		Kiribati: Line Islands

## RRA

1. en.wikipedia.org :: Time zone