Create date-time character string from year, month, hour, and timezone.
Source:R/merra_subset.R
fDate.RdCreate date-time character string from year, month, hour, and timezone.
Examples
fDate(2010, 12, "last", 23)
#> [1] "2010-12-31 23"
fDate(2010, 1, 1, 0)
#> [1] "2010-01-01 00"
OlsonNames()
#> [1] "Africa/Abidjan" "Africa/Accra"
#> [3] "Africa/Addis_Ababa" "Africa/Algiers"
#> [5] "Africa/Asmara" "Africa/Asmera"
#> [7] "Africa/Bamako" "Africa/Bangui"
#> [9] "Africa/Banjul" "Africa/Bissau"
#> [11] "Africa/Blantyre" "Africa/Brazzaville"
#> [13] "Africa/Bujumbura" "Africa/Cairo"
#> [15] "Africa/Casablanca" "Africa/Ceuta"
#> [17] "Africa/Conakry" "Africa/Dakar"
#> [19] "Africa/Dar_es_Salaam" "Africa/Djibouti"
#> [21] "Africa/Douala" "Africa/El_Aaiun"
#> [23] "Africa/Freetown" "Africa/Gaborone"
#> [25] "Africa/Harare" "Africa/Johannesburg"
#> [27] "Africa/Juba" "Africa/Kampala"
#> [29] "Africa/Khartoum" "Africa/Kigali"
#> [31] "Africa/Kinshasa" "Africa/Lagos"
#> [33] "Africa/Libreville" "Africa/Lome"
#> [35] "Africa/Luanda" "Africa/Lubumbashi"
#> [37] "Africa/Lusaka" "Africa/Malabo"
#> [39] "Africa/Maputo" "Africa/Maseru"
#> [41] "Africa/Mbabane" "Africa/Mogadishu"
#> [43] "Africa/Monrovia" "Africa/Nairobi"
#> [45] "Africa/Ndjamena" "Africa/Niamey"
#> [47] "Africa/Nouakchott" "Africa/Ouagadougou"
#> [49] "Africa/Porto-Novo" "Africa/Sao_Tome"
#> [51] "Africa/Timbuktu" "Africa/Tripoli"
#> [53] "Africa/Tunis" "Africa/Windhoek"
#> [55] "America/Adak" "America/Anchorage"
#> [57] "America/Anguilla" "America/Antigua"
#> [59] "America/Araguaina" "America/Argentina/Buenos_Aires"
#> [61] "America/Argentina/Catamarca" "America/Argentina/ComodRivadavia"
#> [63] "America/Argentina/Cordoba" "America/Argentina/Jujuy"
#> [65] "America/Argentina/La_Rioja" "America/Argentina/Mendoza"
#> [67] "America/Argentina/Rio_Gallegos" "America/Argentina/Salta"
#> [69] "America/Argentina/San_Juan" "America/Argentina/San_Luis"
#> [71] "America/Argentina/Tucuman" "America/Argentina/Ushuaia"
#> [73] "America/Aruba" "America/Asuncion"
#> [75] "America/Atikokan" "America/Atka"
#> [77] "America/Bahia" "America/Bahia_Banderas"
#> [79] "America/Barbados" "America/Belem"
#> [81] "America/Belize" "America/Blanc-Sablon"
#> [83] "America/Boa_Vista" "America/Bogota"
#> [85] "America/Boise" "America/Buenos_Aires"
#> [87] "America/Cambridge_Bay" "America/Campo_Grande"
#> [89] "America/Cancun" "America/Caracas"
#> [91] "America/Catamarca" "America/Cayenne"
#> [93] "America/Cayman" "America/Chicago"
#> [95] "America/Chihuahua" "America/Ciudad_Juarez"
#> [97] "America/Coral_Harbour" "America/Cordoba"
#> [99] "America/Costa_Rica" "America/Coyhaique"
#> [101] "America/Creston" "America/Cuiaba"
#> [103] "America/Curacao" "America/Danmarkshavn"
#> [105] "America/Dawson" "America/Dawson_Creek"
#> [107] "America/Denver" "America/Detroit"
#> [109] "America/Dominica" "America/Edmonton"
#> [111] "America/Eirunepe" "America/El_Salvador"
#> [113] "America/Ensenada" "America/Fort_Nelson"
#> [115] "America/Fort_Wayne" "America/Fortaleza"
#> [117] "America/Glace_Bay" "America/Godthab"
#> [119] "America/Goose_Bay" "America/Grand_Turk"
#> [121] "America/Grenada" "America/Guadeloupe"
#> [123] "America/Guatemala" "America/Guayaquil"
#> [125] "America/Guyana" "America/Halifax"
#> [127] "America/Havana" "America/Hermosillo"
#> [129] "America/Indiana/Indianapolis" "America/Indiana/Knox"
#> [131] "America/Indiana/Marengo" "America/Indiana/Petersburg"
#> [133] "America/Indiana/Tell_City" "America/Indiana/Vevay"
#> [135] "America/Indiana/Vincennes" "America/Indiana/Winamac"
#> [137] "America/Indianapolis" "America/Inuvik"
#> [139] "America/Iqaluit" "America/Jamaica"
#> [141] "America/Jujuy" "America/Juneau"
#> [143] "America/Kentucky/Louisville" "America/Kentucky/Monticello"
#> [145] "America/Knox_IN" "America/Kralendijk"
#> [147] "America/La_Paz" "America/Lima"
#> [149] "America/Los_Angeles" "America/Louisville"
#> [151] "America/Lower_Princes" "America/Maceio"
#> [153] "America/Managua" "America/Manaus"
#> [155] "America/Marigot" "America/Martinique"
#> [157] "America/Matamoros" "America/Mazatlan"
#> [159] "America/Mendoza" "America/Menominee"
#> [161] "America/Merida" "America/Metlakatla"
#> [163] "America/Mexico_City" "America/Miquelon"
#> [165] "America/Moncton" "America/Monterrey"
#> [167] "America/Montevideo" "America/Montreal"
#> [169] "America/Montserrat" "America/Nassau"
#> [171] "America/New_York" "America/Nipigon"
#> [173] "America/Nome" "America/Noronha"
#> [175] "America/North_Dakota/Beulah" "America/North_Dakota/Center"
#> [177] "America/North_Dakota/New_Salem" "America/Nuuk"
#> [179] "America/Ojinaga" "America/Panama"
#> [181] "America/Pangnirtung" "America/Paramaribo"
#> [183] "America/Phoenix" "America/Port-au-Prince"
#> [185] "America/Port_of_Spain" "America/Porto_Acre"
#> [187] "America/Porto_Velho" "America/Puerto_Rico"
#> [189] "America/Punta_Arenas" "America/Rainy_River"
#> [191] "America/Rankin_Inlet" "America/Recife"
#> [193] "America/Regina" "America/Resolute"
#> [195] "America/Rio_Branco" "America/Rosario"
#> [197] "America/Santa_Isabel" "America/Santarem"
#> [199] "America/Santiago" "America/Santo_Domingo"
#> [201] "America/Sao_Paulo" "America/Scoresbysund"
#> [203] "America/Shiprock" "America/Sitka"
#> [205] "America/St_Barthelemy" "America/St_Johns"
#> [207] "America/St_Kitts" "America/St_Lucia"
#> [209] "America/St_Thomas" "America/St_Vincent"
#> [211] "America/Swift_Current" "America/Tegucigalpa"
#> [213] "America/Thule" "America/Thunder_Bay"
#> [215] "America/Tijuana" "America/Toronto"
#> [217] "America/Tortola" "America/Vancouver"
#> [219] "America/Virgin" "America/Whitehorse"
#> [221] "America/Winnipeg" "America/Yakutat"
#> [223] "America/Yellowknife" "Antarctica/Casey"
#> [225] "Antarctica/Davis" "Antarctica/DumontDUrville"
#> [227] "Antarctica/Macquarie" "Antarctica/Mawson"
#> [229] "Antarctica/McMurdo" "Antarctica/Palmer"
#> [231] "Antarctica/Rothera" "Antarctica/South_Pole"
#> [233] "Antarctica/Syowa" "Antarctica/Troll"
#> [235] "Antarctica/Vostok" "Arctic/Longyearbyen"
#> [237] "Asia/Aden" "Asia/Almaty"
#> [239] "Asia/Amman" "Asia/Anadyr"
#> [241] "Asia/Aqtau" "Asia/Aqtobe"
#> [243] "Asia/Ashgabat" "Asia/Ashkhabad"
#> [245] "Asia/Atyrau" "Asia/Baghdad"
#> [247] "Asia/Bahrain" "Asia/Baku"
#> [249] "Asia/Bangkok" "Asia/Barnaul"
#> [251] "Asia/Beirut" "Asia/Bishkek"
#> [253] "Asia/Brunei" "Asia/Calcutta"
#> [255] "Asia/Chita" "Asia/Choibalsan"
#> [257] "Asia/Chongqing" "Asia/Chungking"
#> [259] "Asia/Colombo" "Asia/Dacca"
#> [261] "Asia/Damascus" "Asia/Dhaka"
#> [263] "Asia/Dili" "Asia/Dubai"
#> [265] "Asia/Dushanbe" "Asia/Famagusta"
#> [267] "Asia/Gaza" "Asia/Harbin"
#> [269] "Asia/Hebron" "Asia/Ho_Chi_Minh"
#> [271] "Asia/Hong_Kong" "Asia/Hovd"
#> [273] "Asia/Irkutsk" "Asia/Istanbul"
#> [275] "Asia/Jakarta" "Asia/Jayapura"
#> [277] "Asia/Jerusalem" "Asia/Kabul"
#> [279] "Asia/Kamchatka" "Asia/Karachi"
#> [281] "Asia/Kashgar" "Asia/Kathmandu"
#> [283] "Asia/Katmandu" "Asia/Khandyga"
#> [285] "Asia/Kolkata" "Asia/Krasnoyarsk"
#> [287] "Asia/Kuala_Lumpur" "Asia/Kuching"
#> [289] "Asia/Kuwait" "Asia/Macao"
#> [291] "Asia/Macau" "Asia/Magadan"
#> [293] "Asia/Makassar" "Asia/Manila"
#> [295] "Asia/Muscat" "Asia/Nicosia"
#> [297] "Asia/Novokuznetsk" "Asia/Novosibirsk"
#> [299] "Asia/Omsk" "Asia/Oral"
#> [301] "Asia/Phnom_Penh" "Asia/Pontianak"
#> [303] "Asia/Pyongyang" "Asia/Qatar"
#> [305] "Asia/Qostanay" "Asia/Qyzylorda"
#> [307] "Asia/Rangoon" "Asia/Riyadh"
#> [309] "Asia/Saigon" "Asia/Sakhalin"
#> [311] "Asia/Samarkand" "Asia/Seoul"
#> [313] "Asia/Shanghai" "Asia/Singapore"
#> [315] "Asia/Srednekolymsk" "Asia/Taipei"
#> [317] "Asia/Tashkent" "Asia/Tbilisi"
#> [319] "Asia/Tehran" "Asia/Tel_Aviv"
#> [321] "Asia/Thimbu" "Asia/Thimphu"
#> [323] "Asia/Tokyo" "Asia/Tomsk"
#> [325] "Asia/Ujung_Pandang" "Asia/Ulaanbaatar"
#> [327] "Asia/Ulan_Bator" "Asia/Urumqi"
#> [329] "Asia/Ust-Nera" "Asia/Vientiane"
#> [331] "Asia/Vladivostok" "Asia/Yakutsk"
#> [333] "Asia/Yangon" "Asia/Yekaterinburg"
#> [335] "Asia/Yerevan" "Atlantic/Azores"
#> [337] "Atlantic/Bermuda" "Atlantic/Canary"
#> [339] "Atlantic/Cape_Verde" "Atlantic/Faeroe"
#> [341] "Atlantic/Faroe" "Atlantic/Jan_Mayen"
#> [343] "Atlantic/Madeira" "Atlantic/Reykjavik"
#> [345] "Atlantic/South_Georgia" "Atlantic/St_Helena"
#> [347] "Atlantic/Stanley" "Australia/ACT"
#> [349] "Australia/Adelaide" "Australia/Brisbane"
#> [351] "Australia/Broken_Hill" "Australia/Canberra"
#> [353] "Australia/Currie" "Australia/Darwin"
#> [355] "Australia/Eucla" "Australia/Hobart"
#> [357] "Australia/LHI" "Australia/Lindeman"
#> [359] "Australia/Lord_Howe" "Australia/Melbourne"
#> [361] "Australia/NSW" "Australia/North"
#> [363] "Australia/Perth" "Australia/Queensland"
#> [365] "Australia/South" "Australia/Sydney"
#> [367] "Australia/Tasmania" "Australia/Victoria"
#> [369] "Australia/West" "Australia/Yancowinna"
#> [371] "Brazil/Acre" "Brazil/DeNoronha"
#> [373] "Brazil/East" "Brazil/West"
#> [375] "CET" "CST6CDT"
#> [377] "Canada/Atlantic" "Canada/Central"
#> [379] "Canada/Eastern" "Canada/Mountain"
#> [381] "Canada/Newfoundland" "Canada/Pacific"
#> [383] "Canada/Saskatchewan" "Canada/Yukon"
#> [385] "Chile/Continental" "Chile/EasterIsland"
#> [387] "Cuba" "EET"
#> [389] "EST" "EST5EDT"
#> [391] "Egypt" "Eire"
#> [393] "Etc/GMT" "Etc/GMT+0"
#> [395] "Etc/GMT+1" "Etc/GMT+10"
#> [397] "Etc/GMT+11" "Etc/GMT+12"
#> [399] "Etc/GMT+2" "Etc/GMT+3"
#> [401] "Etc/GMT+4" "Etc/GMT+5"
#> [403] "Etc/GMT+6" "Etc/GMT+7"
#> [405] "Etc/GMT+8" "Etc/GMT+9"
#> [407] "Etc/GMT-0" "Etc/GMT-1"
#> [409] "Etc/GMT-10" "Etc/GMT-11"
#> [411] "Etc/GMT-12" "Etc/GMT-13"
#> [413] "Etc/GMT-14" "Etc/GMT-2"
#> [415] "Etc/GMT-3" "Etc/GMT-4"
#> [417] "Etc/GMT-5" "Etc/GMT-6"
#> [419] "Etc/GMT-7" "Etc/GMT-8"
#> [421] "Etc/GMT-9" "Etc/GMT0"
#> [423] "Etc/Greenwich" "Etc/UCT"
#> [425] "Etc/UTC" "Etc/Universal"
#> [427] "Etc/Zulu" "Europe/Amsterdam"
#> [429] "Europe/Andorra" "Europe/Astrakhan"
#> [431] "Europe/Athens" "Europe/Belfast"
#> [433] "Europe/Belgrade" "Europe/Berlin"
#> [435] "Europe/Bratislava" "Europe/Brussels"
#> [437] "Europe/Bucharest" "Europe/Budapest"
#> [439] "Europe/Busingen" "Europe/Chisinau"
#> [441] "Europe/Copenhagen" "Europe/Dublin"
#> [443] "Europe/Gibraltar" "Europe/Guernsey"
#> [445] "Europe/Helsinki" "Europe/Isle_of_Man"
#> [447] "Europe/Istanbul" "Europe/Jersey"
#> [449] "Europe/Kaliningrad" "Europe/Kiev"
#> [451] "Europe/Kirov" "Europe/Kyiv"
#> [453] "Europe/Lisbon" "Europe/Ljubljana"
#> [455] "Europe/London" "Europe/Luxembourg"
#> [457] "Europe/Madrid" "Europe/Malta"
#> [459] "Europe/Mariehamn" "Europe/Minsk"
#> [461] "Europe/Monaco" "Europe/Moscow"
#> [463] "Europe/Nicosia" "Europe/Oslo"
#> [465] "Europe/Paris" "Europe/Podgorica"
#> [467] "Europe/Prague" "Europe/Riga"
#> [469] "Europe/Rome" "Europe/Samara"
#> [471] "Europe/San_Marino" "Europe/Sarajevo"
#> [473] "Europe/Saratov" "Europe/Simferopol"
#> [475] "Europe/Skopje" "Europe/Sofia"
#> [477] "Europe/Stockholm" "Europe/Tallinn"
#> [479] "Europe/Tirane" "Europe/Tiraspol"
#> [481] "Europe/Ulyanovsk" "Europe/Uzhgorod"
#> [483] "Europe/Vaduz" "Europe/Vatican"
#> [485] "Europe/Vienna" "Europe/Vilnius"
#> [487] "Europe/Volgograd" "Europe/Warsaw"
#> [489] "Europe/Zagreb" "Europe/Zaporozhye"
#> [491] "Europe/Zurich" "GB"
#> [493] "GB-Eire" "GMT"
#> [495] "GMT+0" "GMT-0"
#> [497] "GMT0" "Greenwich"
#> [499] "HST" "Hongkong"
#> [501] "Iceland" "Indian/Antananarivo"
#> [503] "Indian/Chagos" "Indian/Christmas"
#> [505] "Indian/Cocos" "Indian/Comoro"
#> [507] "Indian/Kerguelen" "Indian/Mahe"
#> [509] "Indian/Maldives" "Indian/Mauritius"
#> [511] "Indian/Mayotte" "Indian/Reunion"
#> [513] "Iran" "Israel"
#> [515] "Jamaica" "Japan"
#> [517] "Kwajalein" "Libya"
#> [519] "MET" "MST"
#> [521] "MST7MDT" "Mexico/BajaNorte"
#> [523] "Mexico/BajaSur" "Mexico/General"
#> [525] "NZ" "NZ-CHAT"
#> [527] "Navajo" "PRC"
#> [529] "PST8PDT" "Pacific/Apia"
#> [531] "Pacific/Auckland" "Pacific/Bougainville"
#> [533] "Pacific/Chatham" "Pacific/Chuuk"
#> [535] "Pacific/Easter" "Pacific/Efate"
#> [537] "Pacific/Enderbury" "Pacific/Fakaofo"
#> [539] "Pacific/Fiji" "Pacific/Funafuti"
#> [541] "Pacific/Galapagos" "Pacific/Gambier"
#> [543] "Pacific/Guadalcanal" "Pacific/Guam"
#> [545] "Pacific/Honolulu" "Pacific/Johnston"
#> [547] "Pacific/Kanton" "Pacific/Kiritimati"
#> [549] "Pacific/Kosrae" "Pacific/Kwajalein"
#> [551] "Pacific/Majuro" "Pacific/Marquesas"
#> [553] "Pacific/Midway" "Pacific/Nauru"
#> [555] "Pacific/Niue" "Pacific/Norfolk"
#> [557] "Pacific/Noumea" "Pacific/Pago_Pago"
#> [559] "Pacific/Palau" "Pacific/Pitcairn"
#> [561] "Pacific/Pohnpei" "Pacific/Ponape"
#> [563] "Pacific/Port_Moresby" "Pacific/Rarotonga"
#> [565] "Pacific/Saipan" "Pacific/Samoa"
#> [567] "Pacific/Tahiti" "Pacific/Tarawa"
#> [569] "Pacific/Tongatapu" "Pacific/Truk"
#> [571] "Pacific/Wake" "Pacific/Wallis"
#> [573] "Pacific/Yap" "Poland"
#> [575] "Portugal" "ROC"
#> [577] "ROK" "Singapore"
#> [579] "Turkey" "UCT"
#> [581] "US/Alaska" "US/Aleutian"
#> [583] "US/Arizona" "US/Central"
#> [585] "US/East-Indiana" "US/Eastern"
#> [587] "US/Hawaii" "US/Indiana-Starke"
#> [589] "US/Michigan" "US/Mountain"
#> [591] "US/Pacific" "US/Samoa"
#> [593] "UTC" "Universal"
#> [595] "W-SU" "WET"
#> [597] "Zulu"
#> attr(,"Version")
#> [1] "2025b"
fDate(2010, 1, 1, 0, tz = "America/New_York")
#> [1] "2010-01-01 05"
fDate(2010, 1, 1, 0, tz = "Pacific/Auckland")
#> [1] "2009-12-31 11"
fDate(2010, 1, 1, 0, tz = "Asia/Kolkata")
#> [1] "2009-12-31 18"