[
["%C", nil, "year / 100 (round down. 20 in 2009)"],
["%N", nil, "Fractional seconds digits, default is 9 digits (nanosecond)"],
["%w", nil, "Day of the week (Sunday is 0, 0..6)"],
["%W", nil, "Week number of the year. The week starts with Monday. (00..53)"],
["%Y", "YYYY", "Year with century (can be negative, 4 digits at least)"],
["%y", "YY", "year % 100 (00..99)"],
["%m", "MM", "Month of the year, zero-padded (01..12)"],
["%_m", "MM", "blank-padded ( 1..12)"],
["%-m", "M", "no-padded (1..12)"],
["%B", "MMMM", "The full month name (``January'')"],
["%^B", "MMMM", "uppercased (``JANUARY'')"],
["%b", "MMM", "The abbreviated month name (``Jan'')"],
["%h", "MMM", "Equivalent to %b"],
["%^b", "MMM", "uppercased (``JAN'')"],
["%d", "DD", "Day of the month, zero-padded (01..31)"],
["%-d", "D", "no-padded (1..31)"],
["%e", "DD", "Day of the month, blank-padded ( 1..31)"],
["%j", "DDDD", "Day of the year (001..366)"],
["%H", "HH", "Hour of the day, 24-hour clock, zero-padded (00..23)"],
["%k", "H", "Hour of the day, 24-hour clock, blank-padded ( 0..23)"],
["%I", "hh", "Hour of the day, 12-hour clock, zero-padded (01..12)"],
["%l", "h", "Hour of the day, 12-hour clock, blank-padded ( 1..12)"],
["%P", "a", "Meridian indicator, lowercase (``am'' or ``pm'')"],
["%p", "A", "Meridian indicator, uppercase (``AM'' or ``PM'')"],
["%M", "mm", "Minute of the hour (00..59)"],
["%S", "ss", "Second of the minute (00..59)"],
["%L", "SSS", "Millisecond of the second (000..999)"],
["%z", "Z", "Time zone as hour and minute offset from UTC (e.g. +0900)"],
["%:z", "ZZ", "hour and minute offset from UTC with a colon (e.g. +09:00)"],
["%::z", "ZZ:00", "hour, minute and second offset from UTC (e.g. +09:00:00)"],
["%:::z", "ZZ:00", "hour, minute and second offset from UTC (e.g. +09, +09:30, +09:30:30)"],
["%Z", "ZZ", "Time zone abbreviation name"],
["%A", "dddd", "The full weekday name (``Sunday'')"],
["%^A", "dddd", "uppercased (``SUNDAY'')"],
["%a", "ddd", "The abbreviated name (``Sun'')"],
["%^a", "ddd", "uppercased (``SUN'')"],
["%u", "E", "Day of the week (Monday is 1, 1..7)"],
["%G", "W", "The week-based year"],
["%g", "WW", "The last 2 digits of the week-based year (00..99)"],
["%V", "W", "Week number of the week-based year (01..53)"],
["%U", "WW", "Week number of the year. The week starts with Sunday. (00..53)"],
["%s", "x", "Number of seconds since 1970-01-01 00:00:00 UTC."],
["%Q", "x", "Number of microseconds since 1970-01-01 00:00:00 UTC."],
["%n", "\n", "Newline character (\n)"],
["%t", "\t", "Tab character (\t)"],
["%%", "%", "Literal ``%'' character"],
["%3N", "SSS", "millisecond (3 digits)"],
["%6N", "SSS000", "microsecond (6 digits)"],
["%9N", "SSS000000", "nanosecond (9 digits)"],
["%12N", "SSS000000000", "picosecond (12 digits)"],
["%c", "ddd MMM DD HH:mm:ss YYYY", "date and time (%a %b %e %T %Y)"],
["%D", "mm/DD/YY", "Date (%m/%d/%y)"],
["%x", "mm/DD/YY", "Same as %D"],
["%F", "YYYY-mm-DD", "The ISO 8601 date format (%Y-%m-%d)"],
["%v", "DD-MMM-YYYY", "VMS date (%e-%b-%Y)"],
["%T", "HH:mm:ss", "24-hour time (%H:%M:%S)"],
["%X", "HH:mm:ss", "Same as %T"],
["%r", "HH:mm:ss A", "12-hour time (%I:%M:%S %p)"],
["%R", "HH:mm", "24-hour time (%H:%M)"],
["%+", "ddd MMM DD HH:mm:ss ZZ YYYY", "date(1) (%a %b %e %H:%M:%S %Z %Y)"]
]
{
"International Date Line West" => "Pacific/Midway",
"Midway Island" => "Pacific/Midway",
"American Samoa" => "Pacific/Pago_Pago",
"Hawaii" => "Pacific/Honolulu",
"Alaska" => "America/Juneau",
"Pacific Time (US & Canada)" => "America/Los_Angeles",
"Tijuana" => "America/Tijuana",
"Mountain Time (US & Canada)" => "America/Denver",
"Arizona" => "America/Phoenix",
"Chihuahua" => "America/Chihuahua",
"Mazatlan" => "America/Mazatlan",
"Central Time (US & Canada)" => "America/Chicago",
"Saskatchewan" => "America/Regina",
"Guadalajara" => "America/Mexico_City",
"Mexico City" => "America/Mexico_City",
"Monterrey" => "America/Monterrey",
"Central America" => "America/Guatemala",
"Eastern Time (US & Canada)" => "America/New_York",
"Indiana (East)" => "America/Indiana/Indianapolis",
"Bogota" => "America/Bogota",
"Lima" => "America/Lima",
"Quito" => "America/Lima",
"Atlantic Time (Canada)" => "America/Halifax",
"Caracas" => "America/Caracas",
"La Paz" => "America/La_Paz",
"Santiago" => "America/Santiago",
"Newfoundland" => "America/St_Johns",
"Brasilia" => "America/Sao_Paulo",
"Buenos Aires" => "America/Argentina/Buenos_Aires",
"Montevideo" => "America/Montevideo",
"Georgetown" => "America/Guyana",
"Greenland" => "America/Godthab",
"Mid-Atlantic" => "Atlantic/South_Georgia",
"Azores" => "Atlantic/Azores",
"Cape Verde Is." => "Atlantic/Cape_Verde",
"Dublin" => "Europe/Dublin",
"Edinburgh" => "Europe/London",
"Lisbon" => "Europe/Lisbon",
"London" => "Europe/London",
"Casablanca" => "Africa/Casablanca",
"Monrovia" => "Africa/Monrovia",
"UTC" => "Etc/UTC",
"Belgrade" => "Europe/Belgrade",
"Bratislava" => "Europe/Bratislava",
"Budapest" => "Europe/Budapest",
"Ljubljana" => "Europe/Ljubljana",
"Prague" => "Europe/Prague",
"Sarajevo" => "Europe/Sarajevo",
"Skopje" => "Europe/Skopje",
"Warsaw" => "Europe/Warsaw",
"Zagreb" => "Europe/Zagreb",
"Brussels" => "Europe/Brussels",
"Copenhagen" => "Europe/Copenhagen",
"Madrid" => "Europe/Madrid",
"Paris" => "Europe/Paris",
"Amsterdam" => "Europe/Amsterdam",
"Berlin" => "Europe/Berlin",
"Bern" => "Europe/Zurich",
"Zurich" => "Europe/Zurich",
"Rome" => "Europe/Rome",
"Stockholm" => "Europe/Stockholm",
"Vienna" => "Europe/Vienna",
"West Central Africa" => "Africa/Algiers",
"Bucharest" => "Europe/Bucharest",
"Cairo" => "Africa/Cairo",
"Helsinki" => "Europe/Helsinki",
"Kyiv" => "Europe/Kiev",
"Riga" => "Europe/Riga",
"Sofia" => "Europe/Sofia",
"Tallinn" => "Europe/Tallinn",
"Vilnius" => "Europe/Vilnius",
"Athens" => "Europe/Athens",
"Istanbul" => "Europe/Istanbul",
"Minsk" => "Europe/Minsk",
"Jerusalem" => "Asia/Jerusalem",
"Harare" => "Africa/Harare",
"Pretoria" => "Africa/Johannesburg",
"Kaliningrad" => "Europe/Kaliningrad",
"Moscow" => "Europe/Moscow",
"St. Petersburg" => "Europe/Moscow",
"Volgograd" => "Europe/Volgograd",
"Samara" => "Europe/Samara",
"Kuwait" => "Asia/Kuwait",
"Riyadh" => "Asia/Riyadh",
"Nairobi" => "Africa/Nairobi",
"Baghdad" => "Asia/Baghdad",
"Tehran" => "Asia/Tehran",
"Abu Dhabi" => "Asia/Muscat",
"Muscat" => "Asia/Muscat",
"Baku" => "Asia/Baku",
"Tbilisi" => "Asia/Tbilisi",
"Yerevan" => "Asia/Yerevan",
"Kabul" => "Asia/Kabul",
"Ekaterinburg" => "Asia/Yekaterinburg",
"Islamabad" => "Asia/Karachi",
"Karachi" => "Asia/Karachi",
"Tashkent" => "Asia/Tashkent",
"Chennai" => "Asia/Kolkata",
"Kolkata" => "Asia/Kolkata",
"Mumbai" => "Asia/Kolkata",
"New Delhi" => "Asia/Kolkata",
"Kathmandu" => "Asia/Kathmandu",
"Astana" => "Asia/Dhaka",
"Dhaka" => "Asia/Dhaka",
"Sri Jayawardenepura" => "Asia/Colombo",
"Almaty" => "Asia/Almaty",
"Novosibirsk" => "Asia/Novosibirsk",
"Rangoon" => "Asia/Rangoon",
"Bangkok" => "Asia/Bangkok",
"Hanoi" => "Asia/Bangkok",
"Jakarta" => "Asia/Jakarta",
"Krasnoyarsk" => "Asia/Krasnoyarsk",
"Beijing" => "Asia/Shanghai",
"Chongqing" => "Asia/Chongqing",
"Hong Kong" => "Asia/Hong_Kong",
"Urumqi" => "Asia/Urumqi",
"Kuala Lumpur" => "Asia/Kuala_Lumpur",
"Singapore" => "Asia/Singapore",
"Taipei" => "Asia/Taipei",
"Perth" => "Australia/Perth",
"Irkutsk" => "Asia/Irkutsk",
"Ulaanbaatar" => "Asia/Ulaanbaatar",
"Seoul" => "Asia/Seoul",
"Osaka" => "Asia/Tokyo",
"Sapporo" => "Asia/Tokyo",
"Tokyo" => "Asia/Tokyo",
"Yakutsk" => "Asia/Yakutsk",
"Darwin" => "Australia/Darwin",
"Adelaide" => "Australia/Adelaide",
"Canberra" => "Australia/Melbourne",
"Melbourne" => "Australia/Melbourne",
"Sydney" => "Australia/Sydney",
"Brisbane" => "Australia/Brisbane",
"Hobart" => "Australia/Hobart",
"Vladivostok" => "Asia/Vladivostok",
"Guam" => "Pacific/Guam",
"Port Moresby" => "Pacific/Port_Moresby",
"Magadan" => "Asia/Magadan",
"Srednekolymsk" => "Asia/Srednekolymsk",
"Solomon Is." => "Pacific/Guadalcanal",
"New Caledonia" => "Pacific/Noumea",
"Fiji" => "Pacific/Fiji",
"Kamchatka" => "Asia/Kamchatka",
"Marshall Is." => "Pacific/Majuro",
"Auckland" => "Pacific/Auckland",
"Wellington" => "Pacific/Auckland",
"Nuku'alofa" => "Pacific/Tongatapu",
"Tokelau Is." => "Pacific/Fakaofo",
"Chatham Is." => "Pacific/Chatham",
"Samoa" => "Pacific/Apia"
}