--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/sabre/vobject/lib/timezonedata/exchangezones.php	Sat Jan 13 09:06:10 2018 -0500
@@ -0,0 +1,93 @@
+<?php
+
+/**
+ * Microsoft exchange timezones
+ * Source:
+ * http://msdn.microsoft.com/en-us/library/ms988620%28v=exchg.65%29.aspx
+ *
+ * Correct timezones deduced with help from:
+ * http://en.wikipedia.org/wiki/List_of_tz_database_time_zones
+ *
+ * @copyright Copyright (C) 2011-2015 fruux GmbH (https://fruux.com/).
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+return array(
+    'Universal Coordinated Time' => 'UTC',
+    'Casablanca, Monrovia' => 'Africa/Casablanca',
+    'Greenwich Mean Time: Dublin, Edinburgh, Lisbon, London' => 'Europe/Lisbon',
+    'Greenwich Mean Time; Dublin, Edinburgh, London' =>  'Europe/London',
+    'Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna' => 'Europe/Berlin',
+    'Belgrade, Pozsony, Budapest, Ljubljana, Prague' => 'Europe/Prague',
+    'Brussels, Copenhagen, Madrid, Paris' => 'Europe/Paris',
+    'Paris, Madrid, Brussels, Copenhagen' => 'Europe/Paris',
+    'Prague, Central Europe' => 'Europe/Prague',
+    'Sarajevo, Skopje, Sofija, Vilnius, Warsaw, Zagreb' => 'Europe/Sarajevo',
+    'West Central Africa' => 'Africa/Luanda', // This was a best guess
+    'Athens, Istanbul, Minsk' => 'Europe/Athens',
+    'Bucharest' => 'Europe/Bucharest',
+    'Cairo' => 'Africa/Cairo',
+    'Harare, Pretoria' => 'Africa/Harare',
+    'Helsinki, Riga, Tallinn' => 'Europe/Helsinki',
+    'Israel, Jerusalem Standard Time' => 'Asia/Jerusalem',
+    'Baghdad' => 'Asia/Baghdad',
+    'Arab, Kuwait, Riyadh' => 'Asia/Kuwait',
+    'Moscow, St. Petersburg, Volgograd' => 'Europe/Moscow',
+    'East Africa, Nairobi' => 'Africa/Nairobi',
+    'Tehran' => 'Asia/Tehran',
+    'Abu Dhabi, Muscat' => 'Asia/Muscat', // Best guess
+    'Baku, Tbilisi, Yerevan' => 'Asia/Baku',
+    'Kabul' => 'Asia/Kabul',
+    'Ekaterinburg' => 'Asia/Yekaterinburg',
+    'Islamabad, Karachi, Tashkent' => 'Asia/Karachi',
+    'Kolkata, Chennai, Mumbai, New Delhi, India Standard Time' => 'Asia/Calcutta',
+    'Kathmandu, Nepal' => 'Asia/Kathmandu',
+    'Almaty, Novosibirsk, North Central Asia' => 'Asia/Almaty',
+    'Astana, Dhaka' => 'Asia/Dhaka',
+    'Sri Jayawardenepura, Sri Lanka' => 'Asia/Colombo',
+    'Rangoon' => 'Asia/Rangoon',
+    'Bangkok, Hanoi, Jakarta' => 'Asia/Bangkok',
+    'Krasnoyarsk' => 'Asia/Krasnoyarsk',
+    'Beijing, Chongqing, Hong Kong SAR, Urumqi' => 'Asia/Shanghai',
+    'Irkutsk, Ulaan Bataar' => 'Asia/Irkutsk',
+    'Kuala Lumpur, Singapore' => 'Asia/Singapore',
+    'Perth, Western Australia' => 'Australia/Perth',
+    'Taipei' => 'Asia/Taipei',
+    'Osaka, Sapporo, Tokyo' => 'Asia/Tokyo',
+    'Seoul, Korea Standard time' => 'Asia/Seoul',
+    'Yakutsk' => 'Asia/Yakutsk',
+    'Adelaide, Central Australia' => 'Australia/Adelaide',
+    'Darwin' => 'Australia/Darwin',
+    'Brisbane, East Australia' => 'Australia/Brisbane',
+    'Canberra, Melbourne, Sydney, Hobart (year 2000 only)' => 'Australia/Sydney',
+    'Guam, Port Moresby' => 'Pacific/Guam',
+    'Hobart, Tasmania' => 'Australia/Hobart',
+    'Vladivostok' => 'Asia/Vladivostok',
+    'Magadan, Solomon Is., New Caledonia' => 'Asia/Magadan',
+    'Auckland, Wellington' => 'Pacific/Auckland',
+    'Fiji Islands, Kamchatka, Marshall Is.' => 'Pacific/Fiji',
+    'Nuku\'alofa, Tonga' => 'Pacific/Tongatapu',
+    'Azores' => 'Atlantic/Azores',
+    'Cape Verde Is.' => 'Atlantic/Cape_Verde',
+    'Mid-Atlantic' => 'America/Noronha',
+    'Brasilia' => 'America/Sao_Paulo', // Best guess
+    'Buenos Aires' => 'America/Argentina/Buenos_Aires',
+    'Greenland' => 'America/Godthab',
+    'Newfoundland' => 'America/St_Johns',
+    'Atlantic Time (Canada)' => 'America/Halifax',
+    'Caracas, La Paz' => 'America/Caracas',
+    'Santiago' => 'America/Santiago',
+    'Bogota, Lima, Quito' => 'America/Bogota',
+    'Eastern Time (US & Canada)' => 'America/New_York',
+    'Indiana (East)' => 'America/Indiana/Indianapolis',
+    'Central America' => 'America/Guatemala',
+    'Central Time (US & Canada)' => 'America/Chicago',
+    'Mexico City, Tegucigalpa' => 'America/Mexico_City',
+    'Saskatchewan' => 'America/Edmonton',
+    'Arizona' => 'America/Phoenix',
+    'Mountain Time (US & Canada)' => 'America/Denver', // Best guess
+    'Pacific Time (US & Canada); Tijuana' => 'America/Los_Angeles', // Best guess
+    'Alaska' => 'America/Anchorage',
+    'Hawaii' => 'Pacific/Honolulu',
+    'Midway Island, Samoa' => 'Pacific/Midway',
+    'Eniwetok, Kwajalein, Dateline Time' => 'Pacific/Kwajalein',
+);