{ "id": "time-zones", "version": "a2b54375c00e", "status": "published", "name": "Time Zones", "question": "How many time zones are there?", "summary": "Lists every time zone of the world with the local time, abbreviation, UTC offset, and daylight saving in each, for any time and date.", "category": "days", "subcategory": "time-and-hours", "url": "https://www.acalculator.org/days/time-zones", "markdown": "https://www.acalculator.org/days/time-zones.md", "kind": "function", "method": "For the typed time in the chosen zone, find the instant (UTC) it names, then show each listed zone’s clock at that instant with its UTC offset, from the browser’s IANA time zone data.", "assumptions": [ "The zones are IANA tzdata names from zonenow.tab (tzdata 2026a): Pacific/Pago_Pago, Pacific/Niue, Pacific/Honolulu, Pacific/Tahiti, America/Adak, Pacific/Marquesas, Pacific/Gambier, America/Anchorage, Pacific/Pitcairn, America/Los_Angeles, America/Phoenix, America/Denver, Pacific/Galapagos, America/Mexico_City, Pacific/Easter, America/Chicago, America/Lima, America/Jamaica, America/Havana, America/New_York, America/Caracas, America/Santo_Domingo, America/Santiago, America/Halifax, America/St_Johns, America/Sao_Paulo, America/Miquelon, America/Noronha, America/Nuuk, Atlantic/Cape_Verde, Atlantic/Azores, Africa/Abidjan, Europe/London, Europe/Lisbon, Antarctica/Troll, Africa/Algiers, Africa/Lagos, Europe/Dublin, Africa/Casablanca, Europe/Paris, Africa/Maputo, Africa/Tripoli, Africa/Johannesburg, Europe/Athens, Africa/Cairo, Asia/Beirut, Asia/Gaza, Asia/Jerusalem, Europe/Istanbul, Africa/Nairobi, Europe/Moscow, Asia/Tehran, Asia/Dubai, Asia/Kabul, Asia/Tashkent, Asia/Karachi, Asia/Colombo, Asia/Kolkata, Asia/Kathmandu, Asia/Dhaka, Asia/Yangon, Asia/Bangkok, Asia/Jakarta, Asia/Singapore, Australia/Perth, Asia/Shanghai, Asia/Hong_Kong, Asia/Manila, Asia/Makassar, Australia/Eucla, Asia/Chita, Asia/Tokyo, Asia/Seoul, Asia/Jayapura, Australia/Darwin, Australia/Adelaide, Asia/Vladivostok, Australia/Brisbane, Pacific/Guam, Australia/Sydney, Australia/Lord_Howe, Pacific/Bougainville, Pacific/Norfolk, Asia/Kamchatka, Pacific/Auckland, Pacific/Chatham, Pacific/Tongatapu, Pacific/Kiritimati. The browser supplies each zone's offsets and daylight saving rules, so a rule change arrives with a browser update.", "“Time zones” counts the different standard offsets among the listed zones. A zone’s standard offset in a year is the lower of its offsets at 00:00 UTC on January 1 and July 1 of that UTC year.", "“UTC offsets in use” counts the different offsets the listed zones show at that moment.", "Each zone shows its local time, the abbreviation from the browser’s Unicode CLDR English names (left out when CLDR has none), the date as “Tue, Sep 29”, the offset as UTC+hh:mm or UTC−hh:mm, and “daylight saving” when the offset is ahead of the standard offset, “standard time” when the zone’s January 1 and July 1 offsets differ but it is on the standard offset, or “no daylight saving” when they are the same. Because the rule compares January 1 and July 1, a zone that moves its offset for good during a year (Cancún in 2015, Novosibirsk in 2016), or whose January 1 falls in Morocco’s Ramadan change (Casablanca in 2030 to 2033), shows the later offset as “daylight saving” for that year.", "A time that does not exist in the chosen zone (skipped when clocks spring forward) has no answer. A time that occurs twice (when clocks fall back) shows both moments, earlier first, where they differ.", "Dates from 2000 to 2040 work." ], "inputs": { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "properties": { "at": { "title": "Time", "description": "A clock time in the zone chosen below; the table shows that moment in every zone.", "type": "string", "pattern": "^\\d{2}:\\d{2}(:\\d{2})?$" }, "zone": { "title": "In", "description": "The time zone of the time above (IANA name).", "type": "string", "enum": [ "Pacific/Pago_Pago", "Pacific/Niue", "Pacific/Honolulu", "Pacific/Tahiti", "America/Adak", "Pacific/Marquesas", "Pacific/Gambier", "America/Anchorage", "Pacific/Pitcairn", "America/Los_Angeles", "America/Phoenix", "America/Denver", "Pacific/Galapagos", "America/Mexico_City", "Pacific/Easter", "America/Chicago", "America/Lima", "America/Jamaica", "America/Havana", "America/New_York", "America/Caracas", "America/Santo_Domingo", "America/Santiago", "America/Halifax", "America/St_Johns", "America/Sao_Paulo", "America/Miquelon", "America/Noronha", "America/Nuuk", "Atlantic/Cape_Verde", "Atlantic/Azores", "Africa/Abidjan", "Europe/London", "Europe/Lisbon", "Antarctica/Troll", "Africa/Algiers", "Africa/Lagos", "Europe/Dublin", "Africa/Casablanca", "Europe/Paris", "Africa/Maputo", "Africa/Tripoli", "Africa/Johannesburg", "Europe/Athens", "Africa/Cairo", "Asia/Beirut", "Asia/Gaza", "Asia/Jerusalem", "Europe/Istanbul", "Africa/Nairobi", "Europe/Moscow", "Asia/Tehran", "Asia/Dubai", "Asia/Kabul", "Asia/Tashkent", "Asia/Karachi", "Asia/Colombo", "Asia/Kolkata", "Asia/Kathmandu", "Asia/Dhaka", "Asia/Yangon", "Asia/Bangkok", "Asia/Jakarta", "Asia/Singapore", "Australia/Perth", "Asia/Shanghai", "Asia/Hong_Kong", "Asia/Manila", "Asia/Makassar", "Australia/Eucla", "Asia/Chita", "Asia/Tokyo", "Asia/Seoul", "Asia/Jayapura", "Australia/Darwin", "Australia/Adelaide", "Asia/Vladivostok", "Australia/Brisbane", "Pacific/Guam", "Australia/Sydney", "Australia/Lord_Howe", "Pacific/Bougainville", "Pacific/Norfolk", "Asia/Kamchatka", "Pacific/Auckland", "Pacific/Chatham", "Pacific/Tongatapu", "Pacific/Kiritimati", "UTC" ] }, "on": { "title": "Date", "description": "The date of that time in that zone. Today, unless you change it.", "type": "string", "format": "date" } } }, "outputs": { "zones": { "label": "Time zones", "description": "The number of different standard UTC offsets among the zones listed for the world.", "format": "integer" }, "inUse": { "label": "UTC offsets in use at that moment", "description": "The number of different UTC offsets the listed zones show at that moment, daylight saving included.", "format": "integer" }, "pago_pago": { "label": "Pago Pago: American Samoa, Midway", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Pago_Pago at that moment.", "format": "text" }, "niue": { "label": "Niue", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Niue at that moment.", "format": "text" }, "honolulu": { "label": "Honolulu: Hawaii", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Honolulu at that moment.", "format": "text" }, "tahiti": { "label": "Tahiti: Society Islands, Cook Islands", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Tahiti at that moment.", "format": "text" }, "adak": { "label": "Adak: western Aleutian Islands, Alaska", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Adak at that moment.", "format": "text" }, "marquesas": { "label": "Marquesas Islands", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Marquesas at that moment.", "format": "text" }, "gambier": { "label": "Gambier Islands", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Gambier at that moment.", "format": "text" }, "anchorage": { "label": "Anchorage: most of Alaska", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Anchorage at that moment.", "format": "text" }, "pitcairn": { "label": "Pitcairn Islands", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Pitcairn at that moment.", "format": "text" }, "los_angeles": { "label": "Los Angeles: US and Canada Pacific, Baja California", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Los_Angeles at that moment.", "format": "text" }, "phoenix": { "label": "Phoenix: Arizona, western Mexico, Yukon", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Phoenix at that moment.", "format": "text" }, "denver": { "label": "Denver: US and Canada Mountain", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Denver at that moment.", "format": "text" }, "galapagos": { "label": "Galápagos Islands", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Galapagos at that moment.", "format": "text" }, "mexico_city": { "label": "Mexico City: central Mexico, Saskatchewan, Central America", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Mexico_City at that moment.", "format": "text" }, "easter": { "label": "Easter Island", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Easter at that moment.", "format": "text" }, "chicago": { "label": "Chicago: US and Canada Central", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Chicago at that moment.", "format": "text" }, "lima": { "label": "Lima: Peru, Colombia, Ecuador", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Lima at that moment.", "format": "text" }, "jamaica": { "label": "Jamaica: Cayman Islands, Panama, Quintana Roo", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Jamaica at that moment.", "format": "text" }, "havana": { "label": "Havana: Cuba", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Havana at that moment.", "format": "text" }, "new_york": { "label": "New York: US and Canada Eastern", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/New_York at that moment.", "format": "text" }, "caracas": { "label": "Caracas: Venezuela, Bolivia, Guyana", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Caracas at that moment.", "format": "text" }, "santo_domingo": { "label": "Santo Domingo: eastern Caribbean, Puerto Rico", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Santo_Domingo at that moment.", "format": "text" }, "santiago": { "label": "Santiago: most of Chile", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Santiago at that moment.", "format": "text" }, "halifax": { "label": "Halifax: Atlantic Canada, Bermuda", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Halifax at that moment.", "format": "text" }, "st_johns": { "label": "St. John’s: Newfoundland", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/St_Johns at that moment.", "format": "text" }, "sao_paulo": { "label": "São Paulo: eastern and southern South America", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Sao_Paulo at that moment.", "format": "text" }, "miquelon": { "label": "Saint Pierre and Miquelon", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Miquelon at that moment.", "format": "text" }, "noronha": { "label": "Fernando de Noronha, South Georgia", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Noronha at that moment.", "format": "text" }, "nuuk": { "label": "Nuuk: most of Greenland", "description": "Local time, abbreviation, UTC offset, and daylight saving in America/Nuuk at that moment.", "format": "text" }, "cape_verde": { "label": "Cape Verde", "description": "Local time, abbreviation, UTC offset, and daylight saving in Atlantic/Cape_Verde at that moment.", "format": "text" }, "azores": { "label": "Azores", "description": "Local time, abbreviation, UTC offset, and daylight saving in Atlantic/Azores at that moment.", "format": "text" }, "abidjan": { "label": "Abidjan: far western Africa, Iceland", "description": "Local time, abbreviation, UTC offset, and daylight saving in Africa/Abidjan at that moment.", "format": "text" }, "london": { "label": "London: United Kingdom", "description": "Local time, abbreviation, UTC offset, and daylight saving in Europe/London at that moment.", "format": "text" }, "lisbon": { "label": "Lisbon: Portugal, Canary Islands, Faroe Islands", "description": "Local time, abbreviation, UTC offset, and daylight saving in Europe/Lisbon at that moment.", "format": "text" }, "troll": { "label": "Troll Station, Antarctica", "description": "Local time, abbreviation, UTC offset, and daylight saving in Antarctica/Troll at that moment.", "format": "text" }, "algiers": { "label": "Algiers: Algeria, Tunisia", "description": "Local time, abbreviation, UTC offset, and daylight saving in Africa/Algiers at that moment.", "format": "text" }, "lagos": { "label": "Lagos: western Africa", "description": "Local time, abbreviation, UTC offset, and daylight saving in Africa/Lagos at that moment.", "format": "text" }, "dublin": { "label": "Dublin: Ireland", "description": "Local time, abbreviation, UTC offset, and daylight saving in Europe/Dublin at that moment.", "format": "text" }, "casablanca": { "label": "Casablanca: Morocco", "description": "Local time, abbreviation, UTC offset, and daylight saving in Africa/Casablanca at that moment.", "format": "text" }, "paris": { "label": "Paris: central Europe", "description": "Local time, abbreviation, UTC offset, and daylight saving in Europe/Paris at that moment.", "format": "text" }, "maputo": { "label": "Maputo: central Africa", "description": "Local time, abbreviation, UTC offset, and daylight saving in Africa/Maputo at that moment.", "format": "text" }, "tripoli": { "label": "Tripoli: Libya, Kaliningrad", "description": "Local time, abbreviation, UTC offset, and daylight saving in Africa/Tripoli at that moment.", "format": "text" }, "johannesburg": { "label": "Johannesburg: southern Africa", "description": "Local time, abbreviation, UTC offset, and daylight saving in Africa/Johannesburg at that moment.", "format": "text" }, "athens": { "label": "Athens: eastern Europe", "description": "Local time, abbreviation, UTC offset, and daylight saving in Europe/Athens at that moment.", "format": "text" }, "cairo": { "label": "Cairo: Egypt", "description": "Local time, abbreviation, UTC offset, and daylight saving in Africa/Cairo at that moment.", "format": "text" }, "beirut": { "label": "Beirut: Lebanon", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Beirut at that moment.", "format": "text" }, "gaza": { "label": "Gaza: Palestine", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Gaza at that moment.", "format": "text" }, "jerusalem": { "label": "Jerusalem: Israel", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Jerusalem at that moment.", "format": "text" }, "istanbul": { "label": "Istanbul: Turkey, Belarus, the Near East", "description": "Local time, abbreviation, UTC offset, and daylight saving in Europe/Istanbul at that moment.", "format": "text" }, "nairobi": { "label": "Nairobi: eastern Africa", "description": "Local time, abbreviation, UTC offset, and daylight saving in Africa/Nairobi at that moment.", "format": "text" }, "moscow": { "label": "Moscow: Moscow time in Russia", "description": "Local time, abbreviation, UTC offset, and daylight saving in Europe/Moscow at that moment.", "format": "text" }, "tehran": { "label": "Tehran: Iran", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Tehran at that moment.", "format": "text" }, "dubai": { "label": "Dubai: Persian Gulf, Caucasus, Samara, Seychelles, Réunion", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Dubai at that moment.", "format": "text" }, "kabul": { "label": "Kabul: Afghanistan", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Kabul at that moment.", "format": "text" }, "tashkent": { "label": "Tashkent: Central Asia, Yekaterinburg, Maldives", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Tashkent at that moment.", "format": "text" }, "karachi": { "label": "Karachi: Pakistan", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Karachi at that moment.", "format": "text" }, "colombo": { "label": "Colombo: Sri Lanka", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Colombo at that moment.", "format": "text" }, "kolkata": { "label": "Kolkata: India", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Kolkata at that moment.", "format": "text" }, "kathmandu": { "label": "Kathmandu: Nepal", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Kathmandu at that moment.", "format": "text" }, "dhaka": { "label": "Dhaka: Bangladesh, Bhutan, Kyrgyzstan, Omsk", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Dhaka at that moment.", "format": "text" }, "yangon": { "label": "Yangon: Myanmar, Cocos Islands", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Yangon at that moment.", "format": "text" }, "bangkok": { "label": "Bangkok: Indochina, Krasnoyarsk, Christmas Island", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Bangkok at that moment.", "format": "text" }, "jakarta": { "label": "Jakarta: western Indonesia", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Jakarta at that moment.", "format": "text" }, "singapore": { "label": "Singapore: Malaysia, Brunei, Irkutsk", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Singapore at that moment.", "format": "text" }, "perth": { "label": "Perth: Western Australia", "description": "Local time, abbreviation, UTC offset, and daylight saving in Australia/Perth at that moment.", "format": "text" }, "shanghai": { "label": "Shanghai: China", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Shanghai at that moment.", "format": "text" }, "hong_kong": { "label": "Hong Kong", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Hong_Kong at that moment.", "format": "text" }, "manila": { "label": "Manila: Philippines", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Manila at that moment.", "format": "text" }, "makassar": { "label": "Makassar: central Indonesia", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Makassar at that moment.", "format": "text" }, "eucla": { "label": "Eucla: southeast Western Australia", "description": "Local time, abbreviation, UTC offset, and daylight saving in Australia/Eucla at that moment.", "format": "text" }, "chita": { "label": "Chita: Yakutsk, Palau, East Timor", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Chita at that moment.", "format": "text" }, "tokyo": { "label": "Tokyo: Japan", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Tokyo at that moment.", "format": "text" }, "seoul": { "label": "Seoul: South Korea", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Seoul at that moment.", "format": "text" }, "jayapura": { "label": "Jayapura: eastern Indonesia", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Jayapura at that moment.", "format": "text" }, "darwin": { "label": "Darwin: Northern Territory", "description": "Local time, abbreviation, UTC offset, and daylight saving in Australia/Darwin at that moment.", "format": "text" }, "adelaide": { "label": "Adelaide: South Australia", "description": "Local time, abbreviation, UTC offset, and daylight saving in Australia/Adelaide at that moment.", "format": "text" }, "vladivostok": { "label": "Vladivostok: Papua New Guinea, Chuuk, Yap", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Vladivostok at that moment.", "format": "text" }, "brisbane": { "label": "Brisbane: Queensland", "description": "Local time, abbreviation, UTC offset, and daylight saving in Australia/Brisbane at that moment.", "format": "text" }, "guam": { "label": "Guam: Mariana Islands", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Guam at that moment.", "format": "text" }, "sydney": { "label": "Sydney: New South Wales, Victoria, Tasmania", "description": "Local time, abbreviation, UTC offset, and daylight saving in Australia/Sydney at that moment.", "format": "text" }, "lord_howe": { "label": "Lord Howe Island", "description": "Local time, abbreviation, UTC offset, and daylight saving in Australia/Lord_Howe at that moment.", "format": "text" }, "bougainville": { "label": "Bougainville: Solomon Islands, Magadan, Kosrae", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Bougainville at that moment.", "format": "text" }, "norfolk": { "label": "Norfolk Island", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Norfolk at that moment.", "format": "text" }, "kamchatka": { "label": "Kamchatka: Fiji, Tuvalu, Marshall Islands", "description": "Local time, abbreviation, UTC offset, and daylight saving in Asia/Kamchatka at that moment.", "format": "text" }, "auckland": { "label": "Auckland: New Zealand", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Auckland at that moment.", "format": "text" }, "chatham": { "label": "Chatham Islands", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Chatham at that moment.", "format": "text" }, "tongatapu": { "label": "Tongatapu: Tonga, Samoa, Tokelau, Kanton", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Tongatapu at that moment.", "format": "text" }, "kiritimati": { "label": "Kiritimati: Line Islands", "description": "Local time, abbreviation, UTC offset, and daylight saving in Pacific/Kiritimati at that moment.", "format": "text" } }, "defaultAnswer": { "inputs": { "at": "12:00", "zone": "UTC", "on": "2026-09-30" }, "outputs": { "zones": 37, "inUse": 37, "pago_pago": "1:00 AM · Wed, Sep 30 · UTC−11:00 · no daylight saving", "niue": "1:00 AM · Wed, Sep 30 · UTC−11:00 · no daylight saving", "honolulu": "2:00 AM HST · Wed, Sep 30 · UTC−10:00 · no daylight saving", "tahiti": "2:00 AM · Wed, Sep 30 · UTC−10:00 · no daylight saving", "adak": "3:00 AM HADT · Wed, Sep 30 · UTC−09:00 · daylight saving", "marquesas": "2:30 AM · Wed, Sep 30 · UTC−09:30 · no daylight saving", "gambier": "3:00 AM · Wed, Sep 30 · UTC−09:00 · no daylight saving", "anchorage": "4:00 AM AKDT · Wed, Sep 30 · UTC−08:00 · daylight saving", "pitcairn": "4:00 AM · Wed, Sep 30 · UTC−08:00 · no daylight saving", "los_angeles": "5:00 AM PDT · Wed, Sep 30 · UTC−07:00 · daylight saving", "phoenix": "5:00 AM MST · Wed, Sep 30 · UTC−07:00 · no daylight saving", "denver": "6:00 AM MDT · Wed, Sep 30 · UTC−06:00 · daylight saving", "galapagos": "6:00 AM · Wed, Sep 30 · UTC−06:00 · no daylight saving", "mexico_city": "6:00 AM CST · Wed, Sep 30 · UTC−06:00 · no daylight saving", "easter": "7:00 AM · Wed, Sep 30 · UTC−05:00 · daylight saving", "chicago": "7:00 AM CDT · Wed, Sep 30 · UTC−05:00 · daylight saving", "lima": "7:00 AM · Wed, Sep 30 · UTC−05:00 · no daylight saving", "jamaica": "7:00 AM EST · Wed, Sep 30 · UTC−05:00 · no daylight saving", "havana": "8:00 AM · Wed, Sep 30 · UTC−04:00 · daylight saving", "new_york": "8:00 AM EDT · Wed, Sep 30 · UTC−04:00 · daylight saving", "caracas": "8:00 AM · Wed, Sep 30 · UTC−04:00 · no daylight saving", "santo_domingo": "8:00 AM AST · Wed, Sep 30 · UTC−04:00 · no daylight saving", "santiago": "9:00 AM · Wed, Sep 30 · UTC−03:00 · daylight saving", "halifax": "9:00 AM ADT · Wed, Sep 30 · UTC−03:00 · daylight saving", "st_johns": "9:30 AM NDT · Wed, Sep 30 · UTC−02:30 · daylight saving", "sao_paulo": "9:00 AM · Wed, Sep 30 · UTC−03:00 · no daylight saving", "miquelon": "10:00 AM PMDT · Wed, Sep 30 · UTC−02:00 · daylight saving", "noronha": "10:00 AM · Wed, Sep 30 · UTC−02:00 · no daylight saving", "nuuk": "11:00 AM · Wed, Sep 30 · UTC−01:00 · daylight saving", "cape_verde": "11:00 AM · Wed, Sep 30 · UTC−01:00 · no daylight saving", "azores": "12:00 PM · Wed, Sep 30 · UTC+00:00 · daylight saving", "abidjan": "12:00 PM GMT · Wed, Sep 30 · UTC+00:00 · no daylight saving", "london": "1:00 PM BST · Wed, Sep 30 · UTC+01:00 · daylight saving", "lisbon": "1:00 PM WEST · Wed, Sep 30 · UTC+01:00 · daylight saving", "troll": "2:00 PM · Wed, Sep 30 · UTC+02:00 · daylight saving", "algiers": "1:00 PM · Wed, Sep 30 · UTC+01:00 · no daylight saving", "lagos": "1:00 PM · Wed, Sep 30 · UTC+01:00 · no daylight saving", "dublin": "1:00 PM IST · Wed, Sep 30 · UTC+01:00 · daylight saving", "casablanca": "1:00 PM · Wed, Sep 30 · UTC+01:00 · no daylight saving", "paris": "2:00 PM CEST · Wed, Sep 30 · UTC+02:00 · daylight saving", "maputo": "2:00 PM · Wed, Sep 30 · UTC+02:00 · no daylight saving", "tripoli": "2:00 PM · Wed, Sep 30 · UTC+02:00 · no daylight saving", "johannesburg": "2:00 PM · Wed, Sep 30 · UTC+02:00 · no daylight saving", "athens": "3:00 PM EEST · Wed, Sep 30 · UTC+03:00 · daylight saving", "cairo": "3:00 PM · Wed, Sep 30 · UTC+03:00 · daylight saving", "beirut": "3:00 PM · Wed, Sep 30 · UTC+03:00 · daylight saving", "gaza": "3:00 PM · Wed, Sep 30 · UTC+03:00 · daylight saving", "jerusalem": "3:00 PM · Wed, Sep 30 · UTC+03:00 · daylight saving", "istanbul": "3:00 PM · Wed, Sep 30 · UTC+03:00 · no daylight saving", "nairobi": "3:00 PM · Wed, Sep 30 · UTC+03:00 · no daylight saving", "moscow": "3:00 PM · Wed, Sep 30 · UTC+03:00 · no daylight saving", "tehran": "3:30 PM · Wed, Sep 30 · UTC+03:30 · no daylight saving", "dubai": "4:00 PM · Wed, Sep 30 · UTC+04:00 · no daylight saving", "kabul": "4:30 PM · Wed, Sep 30 · UTC+04:30 · no daylight saving", "tashkent": "5:00 PM · Wed, Sep 30 · UTC+05:00 · no daylight saving", "karachi": "5:00 PM · Wed, Sep 30 · UTC+05:00 · no daylight saving", "colombo": "5:30 PM · Wed, Sep 30 · UTC+05:30 · no daylight saving", "kolkata": "5:30 PM IST · Wed, Sep 30 · UTC+05:30 · no daylight saving", "kathmandu": "5:45 PM · Wed, Sep 30 · UTC+05:45 · no daylight saving", "dhaka": "6:00 PM · Wed, Sep 30 · UTC+06:00 · no daylight saving", "yangon": "6:30 PM · Wed, Sep 30 · UTC+06:30 · no daylight saving", "bangkok": "7:00 PM · Wed, Sep 30 · UTC+07:00 · no daylight saving", "jakarta": "7:00 PM · Wed, Sep 30 · UTC+07:00 · no daylight saving", "singapore": "8:00 PM · Wed, Sep 30 · UTC+08:00 · no daylight saving", "perth": "8:00 PM AWST · Wed, Sep 30 · UTC+08:00 · no daylight saving", "shanghai": "8:00 PM · Wed, Sep 30 · UTC+08:00 · no daylight saving", "hong_kong": "8:00 PM · Wed, Sep 30 · UTC+08:00 · no daylight saving", "manila": "8:00 PM · Wed, Sep 30 · UTC+08:00 · no daylight saving", "makassar": "8:00 PM · Wed, Sep 30 · UTC+08:00 · no daylight saving", "eucla": "8:45 PM ACWST · Wed, Sep 30 · UTC+08:45 · no daylight saving", "chita": "9:00 PM · Wed, Sep 30 · UTC+09:00 · no daylight saving", "tokyo": "9:00 PM · Wed, Sep 30 · UTC+09:00 · no daylight saving", "seoul": "9:00 PM · Wed, Sep 30 · UTC+09:00 · no daylight saving", "jayapura": "9:00 PM · Wed, Sep 30 · UTC+09:00 · no daylight saving", "darwin": "9:30 PM ACST · Wed, Sep 30 · UTC+09:30 · no daylight saving", "adelaide": "9:30 PM ACST · Wed, Sep 30 · UTC+09:30 · standard time", "vladivostok": "10:00 PM · Wed, Sep 30 · UTC+10:00 · no daylight saving", "brisbane": "10:00 PM AEST · Wed, Sep 30 · UTC+10:00 · no daylight saving", "guam": "10:00 PM · Wed, Sep 30 · UTC+10:00 · no daylight saving", "sydney": "10:00 PM AEST · Wed, Sep 30 · UTC+10:00 · standard time", "lord_howe": "10:30 PM LHST · Wed, Sep 30 · UTC+10:30 · standard time", "bougainville": "11:00 PM · Wed, Sep 30 · UTC+11:00 · no daylight saving", "norfolk": "11:00 PM · Wed, Sep 30 · UTC+11:00 · standard time", "kamchatka": "12:00 AM · Thu, Oct 1 · UTC+12:00 · no daylight saving", "auckland": "1:00 AM NZDT · Thu, Oct 1 · UTC+13:00 · daylight saving", "chatham": "1:45 AM CHADT · Thu, Oct 1 · UTC+13:45 · daylight saving", "tongatapu": "1:00 AM · Thu, Oct 1 · UTC+13:00 · no daylight saving", "kiritimati": "2:00 AM · Thu, Oct 1 · UTC+14:00 · no daylight saving" }, "text": "At 12:00 PM on September 30, 2026 in UTC, the world has 37 time zones and 37 UTC offsets in use." }, "examples": [ { "given": { "at": "12:00", "zone": "UTC", "on": "2026-01-15" }, "expect": { "zones": 37, "inUse": 37, "pago_pago": "1:00 AM · Thu, Jan 15 · UTC−11:00 · no daylight saving", "niue": "1:00 AM · Thu, Jan 15 · UTC−11:00 · no daylight saving", "honolulu": "2:00 AM HST · Thu, Jan 15 · UTC−10:00 · no daylight saving", "tahiti": "2:00 AM · Thu, Jan 15 · UTC−10:00 · no daylight saving", "adak": "2:00 AM HAST · Thu, Jan 15 · UTC−10:00 · standard time", "marquesas": "2:30 AM · Thu, Jan 15 · UTC−09:30 · no daylight saving", "gambier": "3:00 AM · Thu, Jan 15 · UTC−09:00 · no daylight saving", "anchorage": "3:00 AM AKST · Thu, Jan 15 · UTC−09:00 · standard time", "pitcairn": "4:00 AM · Thu, Jan 15 · UTC−08:00 · no daylight saving", "los_angeles": "4:00 AM PST · Thu, Jan 15 · UTC−08:00 · standard time", "phoenix": "5:00 AM MST · Thu, Jan 15 · UTC−07:00 · no daylight saving", "denver": "5:00 AM MST · Thu, Jan 15 · UTC−07:00 · standard time", "galapagos": "6:00 AM · Thu, Jan 15 · UTC−06:00 · no daylight saving", "mexico_city": "6:00 AM CST · Thu, Jan 15 · UTC−06:00 · no daylight saving", "easter": "7:00 AM · Thu, Jan 15 · UTC−05:00 · daylight saving", "chicago": "6:00 AM CST · Thu, Jan 15 · UTC−06:00 · standard time", "lima": "7:00 AM · Thu, Jan 15 · UTC−05:00 · no daylight saving", "jamaica": "7:00 AM EST · Thu, Jan 15 · UTC−05:00 · no daylight saving", "havana": "7:00 AM · Thu, Jan 15 · UTC−05:00 · standard time", "new_york": "7:00 AM EST · Thu, Jan 15 · UTC−05:00 · standard time", "caracas": "8:00 AM · Thu, Jan 15 · UTC−04:00 · no daylight saving", "santo_domingo": "8:00 AM AST · Thu, Jan 15 · UTC−04:00 · no daylight saving", "santiago": "9:00 AM · Thu, Jan 15 · UTC−03:00 · daylight saving", "halifax": "8:00 AM AST · Thu, Jan 15 · UTC−04:00 · standard time", "st_johns": "8:30 AM NST · Thu, Jan 15 · UTC−03:30 · standard time", "sao_paulo": "9:00 AM · Thu, Jan 15 · UTC−03:00 · no daylight saving", "miquelon": "9:00 AM PMST · Thu, Jan 15 · UTC−03:00 · standard time", "noronha": "10:00 AM · Thu, Jan 15 · UTC−02:00 · no daylight saving", "nuuk": "10:00 AM · Thu, Jan 15 · UTC−02:00 · standard time", "cape_verde": "11:00 AM · Thu, Jan 15 · UTC−01:00 · no daylight saving", "azores": "11:00 AM · Thu, Jan 15 · UTC−01:00 · standard time", "abidjan": "12:00 PM GMT · Thu, Jan 15 · UTC+00:00 · no daylight saving", "london": "12:00 PM GMT · Thu, Jan 15 · UTC+00:00 · standard time", "lisbon": "12:00 PM WET · Thu, Jan 15 · UTC+00:00 · standard time", "troll": "12:00 PM GMT · Thu, Jan 15 · UTC+00:00 · standard time", "algiers": "1:00 PM · Thu, Jan 15 · UTC+01:00 · no daylight saving", "lagos": "1:00 PM · Thu, Jan 15 · UTC+01:00 · no daylight saving", "dublin": "12:00 PM GMT · Thu, Jan 15 · UTC+00:00 · standard time", "casablanca": "1:00 PM · Thu, Jan 15 · UTC+01:00 · no daylight saving", "paris": "1:00 PM CET · Thu, Jan 15 · UTC+01:00 · standard time", "maputo": "2:00 PM · Thu, Jan 15 · UTC+02:00 · no daylight saving", "tripoli": "2:00 PM · Thu, Jan 15 · UTC+02:00 · no daylight saving", "johannesburg": "2:00 PM · Thu, Jan 15 · UTC+02:00 · no daylight saving", "athens": "2:00 PM EET · Thu, Jan 15 · UTC+02:00 · standard time", "cairo": "2:00 PM · Thu, Jan 15 · UTC+02:00 · standard time", "beirut": "2:00 PM · Thu, Jan 15 · UTC+02:00 · standard time", "gaza": "2:00 PM · Thu, Jan 15 · UTC+02:00 · standard time", "jerusalem": "2:00 PM · Thu, Jan 15 · UTC+02:00 · standard time", "istanbul": "3:00 PM · Thu, Jan 15 · UTC+03:00 · no daylight saving", "nairobi": "3:00 PM · Thu, Jan 15 · UTC+03:00 · no daylight saving", "moscow": "3:00 PM · Thu, Jan 15 · UTC+03:00 · no daylight saving", "tehran": "3:30 PM · Thu, Jan 15 · UTC+03:30 · no daylight saving", "dubai": "4:00 PM · Thu, Jan 15 · UTC+04:00 · no daylight saving", "kabul": "4:30 PM · Thu, Jan 15 · UTC+04:30 · no daylight saving", "tashkent": "5:00 PM · Thu, Jan 15 · UTC+05:00 · no daylight saving", "karachi": "5:00 PM · Thu, Jan 15 · UTC+05:00 · no daylight saving", "colombo": "5:30 PM · Thu, Jan 15 · UTC+05:30 · no daylight saving", "kolkata": "5:30 PM IST · Thu, Jan 15 · UTC+05:30 · no daylight saving", "kathmandu": "5:45 PM · Thu, Jan 15 · UTC+05:45 · no daylight saving", "dhaka": "6:00 PM · Thu, Jan 15 · UTC+06:00 · no daylight saving", "yangon": "6:30 PM · Thu, Jan 15 · UTC+06:30 · no daylight saving", "bangkok": "7:00 PM · Thu, Jan 15 · UTC+07:00 · no daylight saving", "jakarta": "7:00 PM · Thu, Jan 15 · UTC+07:00 · no daylight saving", "singapore": "8:00 PM · Thu, Jan 15 · UTC+08:00 · no daylight saving", "perth": "8:00 PM AWST · Thu, Jan 15 · UTC+08:00 · no daylight saving", "shanghai": "8:00 PM · Thu, Jan 15 · UTC+08:00 · no daylight saving", "hong_kong": "8:00 PM · Thu, Jan 15 · UTC+08:00 · no daylight saving", "manila": "8:00 PM · Thu, Jan 15 · UTC+08:00 · no daylight saving", "makassar": "8:00 PM · Thu, Jan 15 · UTC+08:00 · no daylight saving", "eucla": "8:45 PM ACWST · Thu, Jan 15 · UTC+08:45 · no daylight saving", "chita": "9:00 PM · Thu, Jan 15 · UTC+09:00 · no daylight saving", "tokyo": "9:00 PM · Thu, Jan 15 · UTC+09:00 · no daylight saving", "seoul": "9:00 PM · Thu, Jan 15 · UTC+09:00 · no daylight saving", "jayapura": "9:00 PM · Thu, Jan 15 · UTC+09:00 · no daylight saving", "darwin": "9:30 PM ACST · Thu, Jan 15 · UTC+09:30 · no daylight saving", "adelaide": "10:30 PM ACDT · Thu, Jan 15 · UTC+10:30 · daylight saving", "vladivostok": "10:00 PM · Thu, Jan 15 · UTC+10:00 · no daylight saving", "brisbane": "10:00 PM AEST · Thu, Jan 15 · UTC+10:00 · no daylight saving", "guam": "10:00 PM · Thu, Jan 15 · UTC+10:00 · no daylight saving", "sydney": "11:00 PM AEDT · Thu, Jan 15 · UTC+11:00 · daylight saving", "lord_howe": "11:00 PM LHDT · Thu, Jan 15 · UTC+11:00 · daylight saving", "bougainville": "11:00 PM · Thu, Jan 15 · UTC+11:00 · no daylight saving", "norfolk": "12:00 AM · Fri, Jan 16 · UTC+12:00 · daylight saving", "kamchatka": "12:00 AM · Fri, Jan 16 · UTC+12:00 · no daylight saving", "auckland": "1:00 AM NZDT · Fri, Jan 16 · UTC+13:00 · daylight saving", "chatham": "1:45 AM CHADT · Fri, Jan 16 · UTC+13:45 · daylight saving", "tongatapu": "1:00 AM · Fri, Jan 16 · UTC+13:00 · no daylight saving", "kiritimati": "2:00 AM · Fri, Jan 16 · UTC+14:00 · no daylight saving" }, "source": "IANA Time Zone Database, tzdata 2026a (https://www.iana.org/time-zones); Python 3 zoneinfo with tzdata 2026a (2026-01-15T12:00Z); abbreviations from Unicode CLDR English names (docs/progress/WP-46/truth.py)" }, { "given": { "at": "12:00", "zone": "UTC", "on": "2026-07-15" }, "expect": { "zones": 37, "inUse": 37, "pago_pago": "1:00 AM · Wed, Jul 15 · UTC−11:00 · no daylight saving", "niue": "1:00 AM · Wed, Jul 15 · UTC−11:00 · no daylight saving", "honolulu": "2:00 AM HST · Wed, Jul 15 · UTC−10:00 · no daylight saving", "tahiti": "2:00 AM · Wed, Jul 15 · UTC−10:00 · no daylight saving", "adak": "3:00 AM HADT · Wed, Jul 15 · UTC−09:00 · daylight saving", "marquesas": "2:30 AM · Wed, Jul 15 · UTC−09:30 · no daylight saving", "gambier": "3:00 AM · Wed, Jul 15 · UTC−09:00 · no daylight saving", "anchorage": "4:00 AM AKDT · Wed, Jul 15 · UTC−08:00 · daylight saving", "pitcairn": "4:00 AM · Wed, Jul 15 · UTC−08:00 · no daylight saving", "los_angeles": "5:00 AM PDT · Wed, Jul 15 · UTC−07:00 · daylight saving", "phoenix": "5:00 AM MST · Wed, Jul 15 · UTC−07:00 · no daylight saving", "denver": "6:00 AM MDT · Wed, Jul 15 · UTC−06:00 · daylight saving", "galapagos": "6:00 AM · Wed, Jul 15 · UTC−06:00 · no daylight saving", "mexico_city": "6:00 AM CST · Wed, Jul 15 · UTC−06:00 · no daylight saving", "easter": "6:00 AM · Wed, Jul 15 · UTC−06:00 · standard time", "chicago": "7:00 AM CDT · Wed, Jul 15 · UTC−05:00 · daylight saving", "lima": "7:00 AM · Wed, Jul 15 · UTC−05:00 · no daylight saving", "jamaica": "7:00 AM EST · Wed, Jul 15 · UTC−05:00 · no daylight saving", "havana": "8:00 AM · Wed, Jul 15 · UTC−04:00 · daylight saving", "new_york": "8:00 AM EDT · Wed, Jul 15 · UTC−04:00 · daylight saving", "caracas": "8:00 AM · Wed, Jul 15 · UTC−04:00 · no daylight saving", "santo_domingo": "8:00 AM AST · Wed, Jul 15 · UTC−04:00 · no daylight saving", "santiago": "8:00 AM · Wed, Jul 15 · UTC−04:00 · standard time", "halifax": "9:00 AM ADT · Wed, Jul 15 · UTC−03:00 · daylight saving", "st_johns": "9:30 AM NDT · Wed, Jul 15 · UTC−02:30 · daylight saving", "sao_paulo": "9:00 AM · Wed, Jul 15 · UTC−03:00 · no daylight saving", "miquelon": "10:00 AM PMDT · Wed, Jul 15 · UTC−02:00 · daylight saving", "noronha": "10:00 AM · Wed, Jul 15 · UTC−02:00 · no daylight saving", "nuuk": "11:00 AM · Wed, Jul 15 · UTC−01:00 · daylight saving", "cape_verde": "11:00 AM · Wed, Jul 15 · UTC−01:00 · no daylight saving", "azores": "12:00 PM · Wed, Jul 15 · UTC+00:00 · daylight saving", "abidjan": "12:00 PM GMT · Wed, Jul 15 · UTC+00:00 · no daylight saving", "london": "1:00 PM BST · Wed, Jul 15 · UTC+01:00 · daylight saving", "lisbon": "1:00 PM WEST · Wed, Jul 15 · UTC+01:00 · daylight saving", "troll": "2:00 PM · Wed, Jul 15 · UTC+02:00 · daylight saving", "algiers": "1:00 PM · Wed, Jul 15 · UTC+01:00 · no daylight saving", "lagos": "1:00 PM · Wed, Jul 15 · UTC+01:00 · no daylight saving", "dublin": "1:00 PM IST · Wed, Jul 15 · UTC+01:00 · daylight saving", "casablanca": "1:00 PM · Wed, Jul 15 · UTC+01:00 · no daylight saving", "paris": "2:00 PM CEST · Wed, Jul 15 · UTC+02:00 · daylight saving", "maputo": "2:00 PM · Wed, Jul 15 · UTC+02:00 · no daylight saving", "tripoli": "2:00 PM · Wed, Jul 15 · UTC+02:00 · no daylight saving", "johannesburg": "2:00 PM · Wed, Jul 15 · UTC+02:00 · no daylight saving", "athens": "3:00 PM EEST · Wed, Jul 15 · UTC+03:00 · daylight saving", "cairo": "3:00 PM · Wed, Jul 15 · UTC+03:00 · daylight saving", "beirut": "3:00 PM · Wed, Jul 15 · UTC+03:00 · daylight saving", "gaza": "3:00 PM · Wed, Jul 15 · UTC+03:00 · daylight saving", "jerusalem": "3:00 PM · Wed, Jul 15 · UTC+03:00 · daylight saving", "istanbul": "3:00 PM · Wed, Jul 15 · UTC+03:00 · no daylight saving", "nairobi": "3:00 PM · Wed, Jul 15 · UTC+03:00 · no daylight saving", "moscow": "3:00 PM · Wed, Jul 15 · UTC+03:00 · no daylight saving", "tehran": "3:30 PM · Wed, Jul 15 · UTC+03:30 · no daylight saving", "dubai": "4:00 PM · Wed, Jul 15 · UTC+04:00 · no daylight saving", "kabul": "4:30 PM · Wed, Jul 15 · UTC+04:30 · no daylight saving", "tashkent": "5:00 PM · Wed, Jul 15 · UTC+05:00 · no daylight saving", "karachi": "5:00 PM · Wed, Jul 15 · UTC+05:00 · no daylight saving", "colombo": "5:30 PM · Wed, Jul 15 · UTC+05:30 · no daylight saving", "kolkata": "5:30 PM IST · Wed, Jul 15 · UTC+05:30 · no daylight saving", "kathmandu": "5:45 PM · Wed, Jul 15 · UTC+05:45 · no daylight saving", "dhaka": "6:00 PM · Wed, Jul 15 · UTC+06:00 · no daylight saving", "yangon": "6:30 PM · Wed, Jul 15 · UTC+06:30 · no daylight saving", "bangkok": "7:00 PM · Wed, Jul 15 · UTC+07:00 · no daylight saving", "jakarta": "7:00 PM · Wed, Jul 15 · UTC+07:00 · no daylight saving", "singapore": "8:00 PM · Wed, Jul 15 · UTC+08:00 · no daylight saving", "perth": "8:00 PM AWST · Wed, Jul 15 · UTC+08:00 · no daylight saving", "shanghai": "8:00 PM · Wed, Jul 15 · UTC+08:00 · no daylight saving", "hong_kong": "8:00 PM · Wed, Jul 15 · UTC+08:00 · no daylight saving", "manila": "8:00 PM · Wed, Jul 15 · UTC+08:00 · no daylight saving", "makassar": "8:00 PM · Wed, Jul 15 · UTC+08:00 · no daylight saving", "eucla": "8:45 PM ACWST · Wed, Jul 15 · UTC+08:45 · no daylight saving", "chita": "9:00 PM · Wed, Jul 15 · UTC+09:00 · no daylight saving", "tokyo": "9:00 PM · Wed, Jul 15 · UTC+09:00 · no daylight saving", "seoul": "9:00 PM · Wed, Jul 15 · UTC+09:00 · no daylight saving", "jayapura": "9:00 PM · Wed, Jul 15 · UTC+09:00 · no daylight saving", "darwin": "9:30 PM ACST · Wed, Jul 15 · UTC+09:30 · no daylight saving", "adelaide": "9:30 PM ACST · Wed, Jul 15 · UTC+09:30 · standard time", "vladivostok": "10:00 PM · Wed, Jul 15 · UTC+10:00 · no daylight saving", "brisbane": "10:00 PM AEST · Wed, Jul 15 · UTC+10:00 · no daylight saving", "guam": "10:00 PM · Wed, Jul 15 · UTC+10:00 · no daylight saving", "sydney": "10:00 PM AEST · Wed, Jul 15 · UTC+10:00 · standard time", "lord_howe": "10:30 PM LHST · Wed, Jul 15 · UTC+10:30 · standard time", "bougainville": "11:00 PM · Wed, Jul 15 · UTC+11:00 · no daylight saving", "norfolk": "11:00 PM · Wed, Jul 15 · UTC+11:00 · standard time", "kamchatka": "12:00 AM · Thu, Jul 16 · UTC+12:00 · no daylight saving", "auckland": "12:00 AM NZST · Thu, Jul 16 · UTC+12:00 · standard time", "chatham": "12:45 AM CHAST · Thu, Jul 16 · UTC+12:45 · standard time", "tongatapu": "1:00 AM · Thu, Jul 16 · UTC+13:00 · no daylight saving", "kiritimati": "2:00 AM · Thu, Jul 16 · UTC+14:00 · no daylight saving" }, "source": "IANA Time Zone Database, tzdata 2026a (https://www.iana.org/time-zones); Python 3 zoneinfo with tzdata 2026a (2026-07-15T12:00Z); abbreviations from Unicode CLDR English names (docs/progress/WP-46/truth.py)" } ], "sources": [ "IANA Time Zone Database, tzdata 2026a (https://www.iana.org/time-zones)" ], "related": [ "time-zone-converter", "us-time-zones", "pdt-to-est", "europe-time-zones", "australia-time-zones", "canada-time-zones" ], "changelog": [] }