LouisLam
4 years ago
9 changed files with 441 additions and 384 deletions
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import dayjs from "dayjs"; |
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import utc from 'dayjs/plugin/utc' |
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import timezone from 'dayjs/plugin/timezone' |
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dayjs.extend(utc) |
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dayjs.extend(timezone) |
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function getTimezoneOffset(timeZone) { |
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const now = new Date(); |
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const tzString = now.toLocaleString('en-US', { timeZone }); |
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const localString = now.toLocaleString('en-US'); |
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const diff = (Date.parse(localString) - Date.parse(tzString)) / 3600000; |
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const offset = diff + now.getTimezoneOffset() / 60; |
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return -offset; |
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} |
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// From: https://stackoverflow.com/questions/38399465/how-to-get-list-of-all-timezones-in-javascript
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const aryIannaTimeZones = [ |
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'Europe/Andorra', |
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'Asia/Dubai', |
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'Asia/Kabul', |
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'Europe/Tirane', |
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'Asia/Yerevan', |
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'Antarctica/Casey', |
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'Antarctica/Davis', |
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'Antarctica/DumontDUrville', // https://bugs.chromium.org/p/chromium/issues/detail?id=928068
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'Antarctica/Mawson', |
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'Antarctica/Palmer', |
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'Antarctica/Rothera', |
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'Antarctica/Syowa', |
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'Antarctica/Troll', |
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'Antarctica/Vostok', |
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'America/Argentina/Buenos_Aires', |
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'America/Argentina/Cordoba', |
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'America/Argentina/Salta', |
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'America/Argentina/Jujuy', |
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'America/Argentina/Tucuman', |
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'America/Argentina/Catamarca', |
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'America/Argentina/La_Rioja', |
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'America/Argentina/San_Juan', |
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'America/Argentina/Mendoza', |
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'America/Argentina/San_Luis', |
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'America/Argentina/Rio_Gallegos', |
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'America/Argentina/Ushuaia', |
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'Pacific/Pago_Pago', |
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'Europe/Vienna', |
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'Australia/Lord_Howe', |
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'Antarctica/Macquarie', |
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'Australia/Hobart', |
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'Australia/Currie', |
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'Australia/Melbourne', |
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'Australia/Sydney', |
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'Australia/Broken_Hill', |
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'Australia/Brisbane', |
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'Australia/Lindeman', |
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'Australia/Adelaide', |
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'Australia/Darwin', |
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'Australia/Perth', |
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'Australia/Eucla', |
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'Asia/Baku', |
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'America/Barbados', |
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'Asia/Dhaka', |
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'Europe/Brussels', |
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'Europe/Sofia', |
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'Atlantic/Bermuda', |
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'Asia/Brunei', |
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'America/La_Paz', |
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'America/Noronha', |
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'America/Belem', |
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'America/Fortaleza', |
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'America/Recife', |
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'America/Araguaina', |
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'America/Maceio', |
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'America/Bahia', |
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'America/Sao_Paulo', |
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'America/Campo_Grande', |
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'America/Cuiaba', |
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'America/Santarem', |
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'America/Porto_Velho', |
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'America/Boa_Vista', |
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'America/Manaus', |
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'America/Eirunepe', |
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'America/Rio_Branco', |
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'America/Nassau', |
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'Asia/Thimphu', |
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'Europe/Minsk', |
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'America/Belize', |
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'America/St_Johns', |
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'America/Halifax', |
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'America/Glace_Bay', |
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'America/Moncton', |
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'America/Goose_Bay', |
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'America/Blanc-Sablon', |
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'America/Toronto', |
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'America/Nipigon', |
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'America/Thunder_Bay', |
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'America/Iqaluit', |
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'America/Pangnirtung', |
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'America/Atikokan', |
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'America/Winnipeg', |
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'America/Rainy_River', |
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'America/Resolute', |
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'America/Rankin_Inlet', |
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'America/Regina', |
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'America/Swift_Current', |
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'America/Edmonton', |
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'America/Cambridge_Bay', |
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'America/Yellowknife', |
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'America/Inuvik', |
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'America/Creston', |
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'America/Dawson_Creek', |
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'America/Fort_Nelson', |
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'America/Vancouver', |
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'America/Whitehorse', |
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'America/Dawson', |
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'Indian/Cocos', |
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'Europe/Zurich', |
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'Africa/Abidjan', |
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'Pacific/Rarotonga', |
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'America/Santiago', |
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'America/Punta_Arenas', |
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'Pacific/Easter', |
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'Asia/Shanghai', |
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'Asia/Urumqi', |
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'America/Bogota', |
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'America/Costa_Rica', |
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'America/Havana', |
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'Atlantic/Cape_Verde', |
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'America/Curacao', |
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'Indian/Christmas', |
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'Asia/Nicosia', |
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'Asia/Famagusta', |
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'Europe/Prague', |
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'Europe/Berlin', |
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'Europe/Copenhagen', |
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'America/Santo_Domingo', |
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'Africa/Algiers', |
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'America/Guayaquil', |
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'Pacific/Galapagos', |
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'Europe/Tallinn', |
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'Africa/Cairo', |
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'Africa/El_Aaiun', |
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'Europe/Madrid', |
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'Africa/Ceuta', |
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'Atlantic/Canary', |
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'Europe/Helsinki', |
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'Pacific/Fiji', |
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'Atlantic/Stanley', |
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'Pacific/Chuuk', |
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'Pacific/Pohnpei', |
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'Pacific/Kosrae', |
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'Atlantic/Faroe', |
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'Europe/Paris', |
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'Europe/London', |
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'Asia/Tbilisi', |
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'America/Cayenne', |
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'Africa/Accra', |
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'Europe/Gibraltar', |
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'America/Godthab', |
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'America/Danmarkshavn', |
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'America/Scoresbysund', |
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'America/Thule', |
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'Europe/Athens', |
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'Atlantic/South_Georgia', |
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'America/Guatemala', |
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'Pacific/Guam', |
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'Africa/Bissau', |
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'America/Guyana', |
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'Asia/Hong_Kong', |
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'America/Tegucigalpa', |
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'America/Port-au-Prince', |
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'Europe/Budapest', |
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'Asia/Jakarta', |
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'Asia/Pontianak', |
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'Asia/Makassar', |
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'Asia/Jayapura', |
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'Europe/Dublin', |
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'Asia/Jerusalem', |
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'Asia/Kolkata', |
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'Indian/Chagos', |
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'Asia/Baghdad', |
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'Asia/Tehran', |
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'Atlantic/Reykjavik', |
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'Europe/Rome', |
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'America/Jamaica', |
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'Asia/Amman', |
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'Asia/Tokyo', |
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'Africa/Nairobi', |
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'Asia/Bishkek', |
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'Pacific/Tarawa', |
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'Pacific/Enderbury', |
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'Pacific/Kiritimati', |
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'Asia/Pyongyang', |
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'Asia/Seoul', |
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'Asia/Almaty', |
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'Asia/Qyzylorda', |
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'Asia/Qostanay', // https://bugs.chromium.org/p/chromium/issues/detail?id=928068
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'Asia/Aqtobe', |
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'Asia/Aqtau', |
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'Asia/Atyrau', |
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'Asia/Oral', |
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'Asia/Beirut', |
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'Asia/Colombo', |
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'Africa/Monrovia', |
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'Europe/Vilnius', |
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'Europe/Luxembourg', |
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'Europe/Riga', |
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'Africa/Tripoli', |
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'Africa/Casablanca', |
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'Europe/Monaco', |
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'Europe/Chisinau', |
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'Pacific/Majuro', |
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'Pacific/Kwajalein', |
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'Asia/Yangon', |
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'Asia/Ulaanbaatar', |
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'Asia/Hovd', |
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'Asia/Choibalsan', |
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'Asia/Macau', |
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'America/Martinique', |
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'Europe/Malta', |
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'Indian/Mauritius', |
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'Indian/Maldives', |
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'America/Mexico_City', |
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'America/Cancun', |
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'America/Merida', |
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'America/Monterrey', |
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'America/Matamoros', |
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'America/Mazatlan', |
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'America/Chihuahua', |
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'America/Ojinaga', |
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'America/Hermosillo', |
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'America/Tijuana', |
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'America/Bahia_Banderas', |
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'Asia/Kuala_Lumpur', |
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'Asia/Kuching', |
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'Africa/Maputo', |
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'Africa/Windhoek', |
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'Pacific/Noumea', |
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'Pacific/Norfolk', |
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'Africa/Lagos', |
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'America/Managua', |
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'Europe/Amsterdam', |
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'Europe/Oslo', |
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'Asia/Kathmandu', |
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'Pacific/Nauru', |
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'Pacific/Niue', |
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'Pacific/Auckland', |
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'Pacific/Chatham', |
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'America/Panama', |
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'America/Lima', |
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'Pacific/Tahiti', |
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'Pacific/Marquesas', |
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'Pacific/Gambier', |
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'Pacific/Port_Moresby', |
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'Pacific/Bougainville', |
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'Asia/Manila', |
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'Asia/Karachi', |
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'Europe/Warsaw', |
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'America/Miquelon', |
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'Pacific/Pitcairn', |
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'America/Puerto_Rico', |
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'Asia/Gaza', |
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'Asia/Hebron', |
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'Europe/Lisbon', |
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'Atlantic/Madeira', |
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'Atlantic/Azores', |
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'Pacific/Palau', |
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'America/Asuncion', |
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'Asia/Qatar', |
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'Indian/Reunion', |
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'Europe/Bucharest', |
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'Europe/Belgrade', |
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'Europe/Kaliningrad', |
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'Europe/Moscow', |
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'Europe/Simferopol', |
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'Europe/Kirov', |
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'Europe/Astrakhan', |
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'Europe/Volgograd', |
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'Europe/Saratov', |
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'Europe/Ulyanovsk', |
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'Europe/Samara', |
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'Asia/Yekaterinburg', |
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'Asia/Omsk', |
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'Asia/Novosibirsk', |
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'Asia/Barnaul', |
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'Asia/Tomsk', |
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'Asia/Novokuznetsk', |
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'Asia/Krasnoyarsk', |
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'Asia/Irkutsk', |
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'Asia/Chita', |
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'Asia/Yakutsk', |
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'Asia/Khandyga', |
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'Asia/Vladivostok', |
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'Asia/Ust-Nera', |
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'Asia/Magadan', |
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'Asia/Sakhalin', |
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'Asia/Srednekolymsk', |
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'Asia/Kamchatka', |
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'Asia/Anadyr', |
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'Asia/Riyadh', |
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'Pacific/Guadalcanal', |
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'Indian/Mahe', |
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'Africa/Khartoum', |
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'Europe/Stockholm', |
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'Asia/Singapore', |
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'America/Paramaribo', |
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'Africa/Juba', |
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'Africa/Sao_Tome', |
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'America/El_Salvador', |
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'Asia/Damascus', |
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'America/Grand_Turk', |
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'Africa/Ndjamena', |
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'Indian/Kerguelen', |
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'Asia/Bangkok', |
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'Asia/Dushanbe', |
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'Pacific/Fakaofo', |
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'Asia/Dili', |
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'Asia/Ashgabat', |
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'Africa/Tunis', |
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'Pacific/Tongatapu', |
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'Europe/Istanbul', |
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'America/Port_of_Spain', |
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'Pacific/Funafuti', |
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'Asia/Taipei', |
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'Europe/Kiev', |
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'Europe/Uzhgorod', |
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'Europe/Zaporozhye', |
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'Pacific/Wake', |
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'America/New_York', |
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'America/Detroit', |
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'America/Kentucky/Louisville', |
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'America/Kentucky/Monticello', |
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'America/Indiana/Indianapolis', |
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'America/Indiana/Vincennes', |
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'America/Indiana/Winamac', |
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'America/Indiana/Marengo', |
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'America/Indiana/Petersburg', |
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'America/Indiana/Vevay', |
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'America/Chicago', |
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'America/Indiana/Tell_City', |
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'America/Indiana/Knox', |
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'America/Menominee', |
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'America/North_Dakota/Center', |
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'America/North_Dakota/New_Salem', |
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'America/North_Dakota/Beulah', |
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'America/Denver', |
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'America/Boise', |
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'America/Phoenix', |
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'America/Los_Angeles', |
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'America/Anchorage', |
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'America/Juneau', |
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'America/Sitka', |
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'America/Metlakatla', |
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'America/Yakutat', |
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'America/Nome', |
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'America/Adak', |
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'Pacific/Honolulu', |
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'America/Montevideo', |
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'Asia/Samarkand', |
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'Asia/Tashkent', |
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'America/Caracas', |
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'Asia/Ho_Chi_Minh', |
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'Pacific/Efate', |
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'Pacific/Wallis', |
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'Pacific/Apia', |
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'Africa/Johannesburg' |
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]; |
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export function timezoneList() { |
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let result = []; |
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for (let timezone of aryIannaTimeZones) { |
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let display = dayjs().tz(timezone).format("Z"); |
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result.push({ |
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name: `(UTC${display}) ${timezone}`, |
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value: timezone, |
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time: getTimezoneOffset(timezone), |
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}) |
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} |
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result.sort((a, b) => { |
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if (a.time > b.time) { |
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return 1; |
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} else if (b.time > a.time) { |
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return -1; |
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} else { |
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return 0; |
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} |
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}) |
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return result; |
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}; |
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