SharePoint time zone ID to reasonable IANA time zone name

SPTZMap.json

[{ "id" : 2, "name" : "Europe/London" },
{ "id" : 3, "name" : "Europe/Paris" },
{ "id" : 4, "name" : "Europe/Berlin" },
{ "id" : 5, "name" : "Europe/Bucharest" },
{ "id" : 6, "name" : "Europe/Budapest" },
{ "id" : 7, "name" : "Europe/Kaliningrad" },
{ "id" : 8, "name" : "America/Sao_Paulo" },
{ "id" : 9, "name" : "America/Halifax" },
{ "id" : 10, "name" : "America/New_York" },
{ "id" : 11, "name" : "America/Chicago" },
{ "id" : 12, "name" : "America/Denver" },
{ "id" : 13, "name" : "America/Los_Angeles" },
{ "id" : 14, "name" : "America/Anchorage" },
{ "id" : 15, "name" : "Pacific/Honolulu" },
{ "id" : 16, "name" : "Pacific/Apia" },
{ "id" : 17, "name" : "Pacific/Auckland" },
{ "id" : 18, "name" : "Australia/Brisbane" },
{ "id" : 19, "name" : "Australia/Adelaide" },
{ "id" : 20, "name" : "Asia/Tokyo" },
{ "id" : 21, "name" : "Asia/Singapore" },
{ "id" : 22, "name" : "Asia/Bangkok" },
{ "id" : 23, "name" : "Asia/Kolkata" },
{ "id" : 24, "name" : "Asia/Dubai" },
{ "id" : 25, "name" : "Asia/Tehran" },
{ "id" : 26, "name" : "Asia/Baghdad" },
{ "id" : 27, "name" : "Asia/Jerusalem" },
{ "id" : 28, "name" : "America/St_Johns" },
{ "id" : 29, "name" : "Atlantic/Azores" },
{ "id" : 30, "name" : "Etc/GMT+2" },
{ "id" : 31, "name" : "Atlantic/Reykjavik" },
{ "id" : 32, "name" : "America/Cayenne" },
{ "id" : 33, "name" : "America/La_Paz" },
{ "id" : 34, "name" : "America/Indianapolis" },
{ "id" : 35, "name" : "America/Bogota" },
{ "id" : 36, "name" : "America/Regina" },
{ "id" : 37, "name" : "America/Mexico_City" },
{ "id" : 38, "name" : "America/Phoenix" },
{ "id" : 39, "name" : "Etc/GMT+12" },
{ "id" : 40, "name" : "Pacific/Fiji" },
{ "id" : 41, "name" : "Asia/Magadan" },
{ "id" : 42, "name" : "Australia/Hobart" },
{ "id" : 43, "name" : "Pacific/Port_Moresby" },
{ "id" : 44, "name" : "Australia/Darwin" },
{ "id" : 45, "name" : "Asia/Shanghai" },
{ "id" : 46, "name" : "Asia/Novosibirsk" },
{ "id" : 47, "name" : "Asia/Tashkent" },
{ "id" : 48, "name" : "Asia/Kabul" },
{ "id" : 49, "name" : "Africa/Cairo" },
{ "id" : 50, "name" : "Africa/Johannesburg" },
{ "id" : 51, "name" : "Europe/Moscow" },
{ "id" : 53, "name" : "Atlantic/Cape_Verde" },
{ "id" : 54, "name" : "Asia/Baku" },
{ "id" : 55, "name" : "America/Guatemala" },
{ "id" : 56, "name" : "Africa/Nairobi" },
{ "id" : 57, "name" : "Europe/Warsaw" },
{ "id" : 58, "name" : "Asia/Yekaterinburg" },
{ "id" : 59, "name" : "Europe/Kiev" },
{ "id" : 60, "name" : "America/Godthab" },
{ "id" : 61, "name" : "Asia/Rangoon" },
{ "id" : 62, "name" : "Asia/Katmandu" },
{ "id" : 63, "name" : "Asia/Irkutsk" },
{ "id" : 64, "name" : "Asia/Krasnoyarsk" },
{ "id" : 65, "name" : "America/Santiago" },
{ "id" : 66, "name" : "Asia/Colombo" },
{ "id" : 67, "name" : "Pacific/Tongatapu" },
{ "id" : 68, "name" : "Asia/Vladivostok" },
{ "id" : 69, "name" : "Africa/Lagos" },
{ "id" : 70, "name" : "Asia/Yakutsk" },
{ "id" : 71, "name" : "Asia/Almaty" },
{ "id" : 72, "name" : "Asia/Seoul" },
{ "id" : 73, "name" : "Australia/Perth" },
{ "id" : 74, "name" : "Asia/Riyadh" },
{ "id" : 75, "name" : "Asia/Taipei" },
{ "id" : 76, "name" : "Australia/Sydney" },
{ "id" : 77, "name" : "America/Chihuahua" },
{ "id" : 78, "name" : "America/Santa_Isabel" },
{ "id" : 79, "name" : "Asia/Amman" },
{ "id" : 80, "name" : "Asia/Beirut" },
{ "id" : 81, "name" : "America/Manaus" },
{ "id" : 82, "name" : "Asia/Tbilisi" },
{ "id" : 83, "name" : "Africa/Windhoek" },
{ "id" : 84, "name" : "Asia/Yerevan" },
{ "id" : 85, "name" : "America/Buenos_Aires" },
{ "id" : 86, "name" : "Africa/Casablanca" },
{ "id" : 87, "name" : "Asia/Karachi" },
{ "id" : 88, "name" : "America/Caracas" },
{ "id" : 89, "name" : "Indian/Mauritius" },
{ "id" : 90, "name" : "America/Montevideo" },
{ "id" : 91, "name" : "America/Asuncion" },
{ "id" : 92, "name" : "Asia/Kamchatka" },
{ "id" : 93, "name" : "UTC" },
{ "id" : 94, "name" : "Asia/Ulaanbaatar" },
{ "id" : 95, "name" : "Etc/GMT+11" },
{ "id" : 96, "name" : "Etc/GMT+2" },
{ "id" : 97, "name" : "Etc/GMT-12" },
{ "id" : 98, "name" : "Asia/Damascus" },
{ "id" : 99, "name" : "Asia/Magadan" },
{ "id" : 100, "name" : "Europe/Kaliningrad" },
{ "id" : 101, "name" : "Europe/Istanbul" },
{ "id" : 102, "name" : "Asia/Dhaka" },
{ "id" : 103, "name" : "America/Bahia" },
{ "id" : 104, "name" : "" }]