🐛 Event: Incorrect Time Zone

- Add "Time zone" input field.
- 24-Hour time format.
- Set Min-Year and Max-Year dynamically

src/forms/static/event.php

@@ -1,14 +1,15 @@
 <form class="form" action="static_qrcode.php?type=event" method="post" id="static_form" enctype="multipart/form-data">
     <?php include BASE_PATH.'/forms/qrcode_options.php'; ?>
 <!-- Input forms -->
+<div class="col-sm-4">
+	<div class="form-group">
+		<label>Title: *</label>
+		<input type="text" name="title" value="" placeholder="" class="form-control">
+	</div>
+</div>
+
 <div class="col-sm-12 mb-2">
     <div class="row">
-        <div class="col-6 col-md-3">
-            <div class="form-group">
-                <label>Title: *</label>
-                <input type="text" name="title" value="" placeholder="" class="form-control">
-            </div>
-        </div>
    
         <div class="col-6 col-md-4">
             <div class="form-group">
@@ -33,6 +34,15 @@
                 </div><!-- /.input group -->
             </div>
         </div>
+
+		<div class="col-6 col-md-3">
+			<div class="form-group">
+				<label>Time zone *</label>
+				<select name="timezone" class="form-control">
+				<?php include BASE_PATH . '/forms/static/timezones.html'; ?> 
+				</select>
+			</div>
+		</div>
     </div>
 </div>
 

src/forms/static/timezones.html

@@ -0,0 +1,491 @@
+<optgroup label="Africa">
+    <option value="Africa/Abidjan">Africa/Abidjan</option>
+    <option value="Africa/Accra">Africa/Accra</option>
+    <option value="Africa/Addis_Ababa">Africa/Addis_Ababa</option>
+    <option value="Africa/Algiers">Africa/Algiers</option>
+    <option value="Africa/Asmara">Africa/Asmara</option>
+    <option value="Africa/Bamako">Africa/Bamako</option>
+    <option value="Africa/Bangui">Africa/Bangui</option>
+    <option value="Africa/Banjul">Africa/Banjul</option>
+    <option value="Africa/Bissau">Africa/Bissau</option>
+    <option value="Africa/Blantyre">Africa/Blantyre</option>
+    <option value="Africa/Brazzaville">Africa/Brazzaville</option>
+    <option value="Africa/Bujumbura">Africa/Bujumbura</option>
+    <option value="Africa/Cairo">Africa/Cairo</option>
+    <option value="Africa/Casablanca">Africa/Casablanca</option>
+    <option value="Africa/Ceuta">Africa/Ceuta</option>
+    <option value="Africa/Conakry">Africa/Conakry</option>
+    <option value="Africa/Dakar">Africa/Dakar</option>
+    <option value="Africa/Dar_es_Salaam">Africa/Dar_es_Salaam</option>
+    <option value="Africa/Djibouti">Africa/Djibouti</option>
+    <option value="Africa/Douala">Africa/Douala</option>
+    <option value="Africa/El_Aaiun">Africa/El_Aaiun</option>
+    <option value="Africa/Freetown">Africa/Freetown</option>
+    <option value="Africa/Gaborone">Africa/Gaborone</option>
+    <option value="Africa/Harare">Africa/Harare</option>
+    <option value="Africa/Johannesburg">Africa/Johannesburg</option>
+    <option value="Africa/Juba">Africa/Juba</option>
+    <option value="Africa/Kampala">Africa/Kampala</option>
+    <option value="Africa/Khartoum">Africa/Khartoum</option>
+    <option value="Africa/Kigali">Africa/Kigali</option>
+    <option value="Africa/Kinshasa">Africa/Kinshasa</option>
+    <option value="Africa/Lagos">Africa/Lagos</option>
+    <option value="Africa/Libreville">Africa/Libreville</option>
+    <option value="Africa/Lome">Africa/Lome</option>
+    <option value="Africa/Luanda">Africa/Luanda</option>
+    <option value="Africa/Lubumbashi">Africa/Lubumbashi</option>
+    <option value="Africa/Lusaka">Africa/Lusaka</option>
+    <option value="Africa/Malabo">Africa/Malabo</option>
+    <option value="Africa/Maputo">Africa/Maputo</option>
+    <option value="Africa/Maseru">Africa/Maseru</option>
+    <option value="Africa/Mbabane">Africa/Mbabane</option>
+    <option value="Africa/Mogadishu">Africa/Mogadishu</option>
+    <option value="Africa/Monrovia">Africa/Monrovia</option>
+    <option value="Africa/Nairobi">Africa/Nairobi</option>
+    <option value="Africa/Ndjamena">Africa/Ndjamena</option>
+    <option value="Africa/Niamey">Africa/Niamey</option>
+    <option value="Africa/Nouakchott">Africa/Nouakchott</option>
+    <option value="Africa/Ouagadougou">Africa/Ouagadougou</option>
+    <option value="Africa/Porto-Novo">Africa/Porto-Novo</option>
+    <option value="Africa/Sao_Tome">Africa/Sao_Tome</option>
+    <option value="Africa/Tripoli">Africa/Tripoli</option>
+    <option value="Africa/Tunis">Africa/Tunis</option>
+    <option value="Africa/Windhoek">Africa/Windhoek</option>
+</optgroup>
+<optgroup label="America">
+    <option value="America/Adak">America/Adak</option>
+    <option value="America/Anchorage">America/Anchorage</option>
+    <option value="America/Anguilla">America/Anguilla</option>
+    <option value="America/Antigua">America/Antigua</option>
+    <option value="America/Araguaina">America/Araguaina</option>
+    <option value="America/Argentina/Buenos_Aires">America/Argentina/Buenos_Aires</option>
+    <option value="America/Argentina/Catamarca">America/Argentina/Catamarca</option>
+    <option value="America/Argentina/Cordoba">America/Argentina/Cordoba</option>
+    <option value="America/Argentina/Jujuy">America/Argentina/Jujuy</option>
+    <option value="America/Argentina/La_Rioja">America/Argentina/La_Rioja</option>
+    <option value="America/Argentina/Mendoza">America/Argentina/Mendoza</option>
+    <option value="America/Argentina/Rio_Gallegos">America/Argentina/Rio_Gallegos</option>
+    <option value="America/Argentina/Salta">America/Argentina/Salta</option>
+    <option value="America/Argentina/San_Juan">America/Argentina/San_Juan</option>
+    <option value="America/Argentina/San_Luis">America/Argentina/San_Luis</option>
+    <option value="America/Argentina/Tucuman">America/Argentina/Tucuman</option>
+    <option value="America/Argentina/Ushuaia">America/Argentina/Ushuaia</option>
+    <option value="America/Aruba">America/Aruba</option>
+    <option value="America/Asuncion">America/Asuncion</option>
+    <option value="America/Atikokan">America/Atikokan</option>
+    <option value="America/Bahia">America/Bahia</option>
+    <option value="America/Bahia_Banderas">America/Bahia_Banderas</option>
+    <option value="America/Barbados">America/Barbados</option>
+    <option value="America/Belem">America/Belem</option>
+    <option value="America/Belize">America/Belize</option>
+    <option value="America/Blanc-Sablon">America/Blanc-Sablon</option>
+    <option value="America/Boa_Vista">America/Boa_Vista</option>
+    <option value="America/Bogota">America/Bogota</option>
+    <option value="America/Boise">America/Boise</option>
+    <option value="America/Cambridge_Bay">America/Cambridge_Bay</option>
+    <option value="America/Campo_Grande">America/Campo_Grande</option>
+    <option value="America/Cancun">America/Cancun</option>
+    <option value="America/Caracas">America/Caracas</option>
+    <option value="America/Cayenne">America/Cayenne</option>
+    <option value="America/Cayman">America/Cayman</option>
+    <option value="America/Chicago">America/Chicago</option>
+    <option value="America/Chihuahua">America/Chihuahua</option>
+    <option value="America/Ciudad_Juarez">America/Ciudad_Juarez</option>
+    <option value="America/Costa_Rica">America/Costa_Rica</option>
+    <option value="America/Creston">America/Creston</option>
+    <option value="America/Cuiaba">America/Cuiaba</option>
+    <option value="America/Curacao">America/Curacao</option>
+    <option value="America/Danmarkshavn">America/Danmarkshavn</option>
+    <option value="America/Dawson">America/Dawson</option>
+    <option value="America/Dawson_Creek">America/Dawson_Creek</option>
+    <option value="America/Denver">America/Denver</option>
+    <option value="America/Detroit">America/Detroit</option>
+    <option value="America/Dominica">America/Dominica</option>
+    <option value="America/Edmonton">America/Edmonton</option>
+    <option value="America/Eirunepe">America/Eirunepe</option>
+    <option value="America/El_Salvador">America/El_Salvador</option>
+    <option value="America/Fort_Nelson">America/Fort_Nelson</option>
+    <option value="America/Fortaleza">America/Fortaleza</option>
+    <option value="America/Glace_Bay">America/Glace_Bay</option>
+    <option value="America/Goose_Bay">America/Goose_Bay</option>
+    <option value="America/Grand_Turk">America/Grand_Turk</option>
+    <option value="America/Grenada">America/Grenada</option>
+    <option value="America/Guadeloupe">America/Guadeloupe</option>
+    <option value="America/Guatemala">America/Guatemala</option>
+    <option value="America/Guayaquil">America/Guayaquil</option>
+    <option value="America/Guyana">America/Guyana</option>
+    <option value="America/Halifax">America/Halifax</option>
+    <option value="America/Havana">America/Havana</option>
+    <option value="America/Hermosillo">America/Hermosillo</option>
+    <option value="America/Indiana/Indianapolis">America/Indiana/Indianapolis</option>
+    <option value="America/Indiana/Knox">America/Indiana/Knox</option>
+    <option value="America/Indiana/Marengo">America/Indiana/Marengo</option>
+    <option value="America/Indiana/Petersburg">America/Indiana/Petersburg</option>
+    <option value="America/Indiana/Tell_City">America/Indiana/Tell_City</option>
+    <option value="America/Indiana/Vevay">America/Indiana/Vevay</option>
+    <option value="America/Indiana/Vincennes">America/Indiana/Vincennes</option>
+    <option value="America/Indiana/Winamac">America/Indiana/Winamac</option>
+    <option value="America/Inuvik">America/Inuvik</option>
+    <option value="America/Iqaluit">America/Iqaluit</option>
+    <option value="America/Jamaica">America/Jamaica</option>
+    <option value="America/Juneau">America/Juneau</option>
+    <option value="America/Kentucky/Louisville">America/Kentucky/Louisville</option>
+    <option value="America/Kentucky/Monticello">America/Kentucky/Monticello</option>
+    <option value="America/Kralendijk">America/Kralendijk</option>
+    <option value="America/La_Paz">America/La_Paz</option>
+    <option value="America/Lima">America/Lima</option>
+    <option value="America/Los_Angeles">America/Los_Angeles</option>
+    <option value="America/Lower_Princes">America/Lower_Princes</option>
+    <option value="America/Maceio">America/Maceio</option>
+    <option value="America/Managua">America/Managua</option>
+    <option value="America/Manaus">America/Manaus</option>
+    <option value="America/Marigot">America/Marigot</option>
+    <option value="America/Martinique">America/Martinique</option>
+    <option value="America/Matamoros">America/Matamoros</option>
+    <option value="America/Mazatlan">America/Mazatlan</option>
+    <option value="America/Menominee">America/Menominee</option>
+    <option value="America/Merida">America/Merida</option>
+    <option value="America/Metlakatla">America/Metlakatla</option>
+    <option value="America/Mexico_City">America/Mexico_City</option>
+    <option value="America/Miquelon">America/Miquelon</option>
+    <option value="America/Moncton">America/Moncton</option>
+    <option value="America/Monterrey">America/Monterrey</option>
+    <option value="America/Montevideo">America/Montevideo</option>
+    <option value="America/Montserrat">America/Montserrat</option>
+    <option value="America/Nassau">America/Nassau</option>
+    <option value="America/New_York">America/New_York</option>
+    <option value="America/Nome">America/Nome</option>
+    <option value="America/Noronha">America/Noronha</option>
+    <option value="America/North_Dakota/Beulah">America/North_Dakota/Beulah</option>
+    <option value="America/North_Dakota/Center">America/North_Dakota/Center</option>
+    <option value="America/North_Dakota/New_Salem">America/North_Dakota/New_Salem</option>
+    <option value="America/Nuuk">America/Nuuk</option>
+    <option value="America/Ojinaga">America/Ojinaga</option>
+    <option value="America/Panama">America/Panama</option>
+    <option value="America/Paramaribo">America/Paramaribo</option>
+    <option value="America/Phoenix">America/Phoenix</option>
+    <option value="America/Port-au-Prince">America/Port-au-Prince</option>
+    <option value="America/Port_of_Spain">America/Port_of_Spain</option>
+    <option value="America/Porto_Velho">America/Porto_Velho</option>
+    <option value="America/Puerto_Rico">America/Puerto_Rico</option>
+    <option value="America/Punta_Arenas">America/Punta_Arenas</option>
+    <option value="America/Rankin_Inlet">America/Rankin_Inlet</option>
+    <option value="America/Recife">America/Recife</option>
+    <option value="America/Regina">America/Regina</option>
+    <option value="America/Resolute">America/Resolute</option>
+    <option value="America/Rio_Branco">America/Rio_Branco</option>
+    <option value="America/Santarem">America/Santarem</option>
+    <option value="America/Santiago">America/Santiago</option>
+    <option value="America/Santo_Domingo">America/Santo_Domingo</option>
+    <option value="America/Sao_Paulo">America/Sao_Paulo</option>
+    <option value="America/Scoresbysund">America/Scoresbysund</option>
+    <option value="America/Sitka">America/Sitka</option>
+    <option value="America/St_Barthelemy">America/St_Barthelemy</option>
+    <option value="America/St_Johns">America/St_Johns</option>
+    <option value="America/St_Kitts">America/St_Kitts</option>
+    <option value="America/St_Lucia">America/St_Lucia</option>
+    <option value="America/St_Thomas">America/St_Thomas</option>
+    <option value="America/St_Vincent">America/St_Vincent</option>
+    <option value="America/Swift_Current">America/Swift_Current</option>
+    <option value="America/Tegucigalpa">America/Tegucigalpa</option>
+    <option value="America/Thule">America/Thule</option>
+    <option value="America/Tijuana">America/Tijuana</option>
+    <option value="America/Toronto">America/Toronto</option>
+    <option value="America/Tortola">America/Tortola</option>
+    <option value="America/Vancouver">America/Vancouver</option>
+    <option value="America/Whitehorse">America/Whitehorse</option>
+    <option value="America/Winnipeg">America/Winnipeg</option>
+    <option value="America/Yakutat">America/Yakutat</option>
+</optgroup>
+<optgroup label="Antarctica">
+    <option value="Antarctica/Casey">Antarctica/Casey</option>
+    <option value="Antarctica/Davis">Antarctica/Davis</option>
+    <option value="Antarctica/DumontDUrville">Antarctica/DumontDUrville</option>
+    <option value="Antarctica/Macquarie">Antarctica/Macquarie</option>
+    <option value="Antarctica/Mawson">Antarctica/Mawson</option>
+    <option value="Antarctica/McMurdo">Antarctica/McMurdo</option>
+    <option value="Antarctica/Palmer">Antarctica/Palmer</option>
+    <option value="Antarctica/Rothera">Antarctica/Rothera</option>
+    <option value="Antarctica/Syowa">Antarctica/Syowa</option>
+    <option value="Antarctica/Troll">Antarctica/Troll</option>
+    <option value="Antarctica/Vostok">Antarctica/Vostok</option>
+</optgroup>
+<optgroup label="Arctic">
+    <option value="Arctic/Longyearbyen">Arctic/Longyearbyen</option>
+</optgroup>
+<optgroup label="Asia">
+    <option value="Asia/Aden">Asia/Aden</option>
+    <option value="Asia/Almaty">Asia/Almaty</option>
+    <option value="Asia/Amman">Asia/Amman</option>
+    <option value="Asia/Anadyr">Asia/Anadyr</option>
+    <option value="Asia/Aqtau">Asia/Aqtau</option>
+    <option value="Asia/Aqtobe">Asia/Aqtobe</option>
+    <option value="Asia/Ashgabat">Asia/Ashgabat</option>
+    <option value="Asia/Atyrau">Asia/Atyrau</option>
+    <option value="Asia/Baghdad">Asia/Baghdad</option>
+    <option value="Asia/Bahrain">Asia/Bahrain</option>
+    <option value="Asia/Baku">Asia/Baku</option>
+    <option value="Asia/Bangkok">Asia/Bangkok</option>
+    <option value="Asia/Barnaul">Asia/Barnaul</option>
+    <option value="Asia/Beirut">Asia/Beirut</option>
+    <option value="Asia/Bishkek">Asia/Bishkek</option>
+    <option value="Asia/Brunei">Asia/Brunei</option>
+    <option value="Asia/Chita">Asia/Chita</option>
+    <option value="Asia/Choibalsan">Asia/Choibalsan</option>
+    <option value="Asia/Colombo">Asia/Colombo</option>
+    <option value="Asia/Damascus">Asia/Damascus</option>
+    <option value="Asia/Dhaka">Asia/Dhaka</option>
+    <option value="Asia/Dili">Asia/Dili</option>
+    <option value="Asia/Dubai">Asia/Dubai</option>
+    <option value="Asia/Dushanbe">Asia/Dushanbe</option>
+    <option value="Asia/Famagusta">Asia/Famagusta</option>
+    <option value="Asia/Gaza">Asia/Gaza</option>
+    <option value="Asia/Hebron">Asia/Hebron</option>
+    <option value="Asia/Ho_Chi_Minh">Asia/Ho_Chi_Minh</option>
+    <option value="Asia/Hong_Kong">Asia/Hong_Kong</option>
+    <option value="Asia/Hovd">Asia/Hovd</option>
+    <option value="Asia/Irkutsk">Asia/Irkutsk</option>
+    <option value="Asia/Jakarta">Asia/Jakarta</option>
+    <option value="Asia/Jayapura">Asia/Jayapura</option>
+    <option value="Asia/Jerusalem">Asia/Jerusalem</option>
+    <option value="Asia/Kabul">Asia/Kabul</option>
+    <option value="Asia/Kamchatka">Asia/Kamchatka</option>
+    <option value="Asia/Karachi">Asia/Karachi</option>
+    <option value="Asia/Kathmandu">Asia/Kathmandu</option>
+    <option value="Asia/Khandyga">Asia/Khandyga</option>
+    <option value="Asia/Kolkata">Asia/Kolkata</option>
+    <option value="Asia/Krasnoyarsk">Asia/Krasnoyarsk</option>
+    <option value="Asia/Kuala_Lumpur">Asia/Kuala_Lumpur</option>
+    <option value="Asia/Kuching">Asia/Kuching</option>
+    <option value="Asia/Kuwait">Asia/Kuwait</option>
+    <option value="Asia/Macau">Asia/Macau</option>
+    <option value="Asia/Magadan">Asia/Magadan</option>
+    <option value="Asia/Makassar">Asia/Makassar</option>
+    <option value="Asia/Manila">Asia/Manila</option>
+    <option value="Asia/Muscat">Asia/Muscat</option>
+    <option value="Asia/Nicosia">Asia/Nicosia</option>
+    <option value="Asia/Novokuznetsk">Asia/Novokuznetsk</option>
+    <option value="Asia/Novosibirsk">Asia/Novosibirsk</option>
+    <option value="Asia/Omsk">Asia/Omsk</option>
+    <option value="Asia/Oral">Asia/Oral</option>
+    <option value="Asia/Phnom_Penh">Asia/Phnom_Penh</option>
+    <option value="Asia/Pontianak">Asia/Pontianak</option>
+    <option value="Asia/Pyongyang">Asia/Pyongyang</option>
+    <option value="Asia/Qatar">Asia/Qatar</option>
+    <option value="Asia/Qostanay">Asia/Qostanay</option>
+    <option value="Asia/Qyzylorda">Asia/Qyzylorda</option>
+    <option value="Asia/Riyadh">Asia/Riyadh</option>
+    <option value="Asia/Sakhalin">Asia/Sakhalin</option>
+    <option value="Asia/Samarkand">Asia/Samarkand</option>
+    <option value="Asia/Seoul">Asia/Seoul</option>
+    <option value="Asia/Shanghai">Asia/Shanghai</option>
+    <option value="Asia/Singapore">Asia/Singapore</option>
+    <option value="Asia/Srednekolymsk">Asia/Srednekolymsk</option>
+    <option value="Asia/Taipei">Asia/Taipei</option>
+    <option value="Asia/Tashkent">Asia/Tashkent</option>
+    <option value="Asia/Tbilisi">Asia/Tbilisi</option>
+    <option value="Asia/Tehran">Asia/Tehran</option>
+    <option value="Asia/Thimphu">Asia/Thimphu</option>
+    <option value="Asia/Tokyo">Asia/Tokyo</option>
+    <option value="Asia/Tomsk">Asia/Tomsk</option>
+    <option value="Asia/Ulaanbaatar">Asia/Ulaanbaatar</option>
+    <option value="Asia/Urumqi">Asia/Urumqi</option>
+    <option value="Asia/Ust-Nera">Asia/Ust-Nera</option>
+    <option value="Asia/Vientiane">Asia/Vientiane</option>
+    <option value="Asia/Vladivostok">Asia/Vladivostok</option>
+    <option value="Asia/Yakutsk">Asia/Yakutsk</option>
+    <option value="Asia/Yangon">Asia/Yangon</option>
+    <option value="Asia/Yekaterinburg">Asia/Yekaterinburg</option>
+    <option value="Asia/Yerevan">Asia/Yerevan</option>
+</optgroup>
+<optgroup label="Atlantic">
+    <option value="Atlantic/Azores">Atlantic/Azores</option>
+    <option value="Atlantic/Bermuda">Atlantic/Bermuda</option>
+    <option value="Atlantic/Canary">Atlantic/Canary</option>
+    <option value="Atlantic/Cape_Verde">Atlantic/Cape_Verde</option>
+    <option value="Atlantic/Faroe">Atlantic/Faroe</option>
+    <option value="Atlantic/Madeira">Atlantic/Madeira</option>
+    <option value="Atlantic/Reykjavik">Atlantic/Reykjavik</option>
+    <option value="Atlantic/South_Georgia">Atlantic/South_Georgia</option>
+    <option value="Atlantic/St_Helena">Atlantic/St_Helena</option>
+    <option value="Atlantic/Stanley">Atlantic/Stanley</option>
+</optgroup>
+<optgroup label="Australia">
+    <option value="Australia/Adelaide">Australia/Adelaide</option>
+    <option value="Australia/Brisbane">Australia/Brisbane</option>
+    <option value="Australia/Broken_Hill">Australia/Broken_Hill</option>
+    <option value="Australia/Darwin">Australia/Darwin</option>
+    <option value="Australia/Eucla">Australia/Eucla</option>
+    <option value="Australia/Hobart">Australia/Hobart</option>
+    <option value="Australia/Lindeman">Australia/Lindeman</option>
+    <option value="Australia/Lord_Howe">Australia/Lord_Howe</option>
+    <option value="Australia/Melbourne">Australia/Melbourne</option>
+    <option value="Australia/Perth">Australia/Perth</option>
+    <option value="Australia/Sydney">Australia/Sydney</option>
+</optgroup>
+<optgroup label="Europe">
+    <option value="Europe/Amsterdam">Europe/Amsterdam</option>
+    <option value="Europe/Andorra">Europe/Andorra</option>
+    <option value="Europe/Astrakhan">Europe/Astrakhan</option>
+    <option value="Europe/Athens">Europe/Athens</option>
+    <option value="Europe/Belgrade">Europe/Belgrade</option>
+    <option value="Europe/Berlin">Europe/Berlin</option>
+    <option value="Europe/Bratislava">Europe/Bratislava</option>
+    <option value="Europe/Brussels">Europe/Brussels</option>
+    <option value="Europe/Bucharest">Europe/Bucharest</option>
+    <option value="Europe/Budapest">Europe/Budapest</option>
+    <option value="Europe/Busingen">Europe/Busingen</option>
+    <option value="Europe/Chisinau">Europe/Chisinau</option>
+    <option value="Europe/Copenhagen">Europe/Copenhagen</option>
+    <option value="Europe/Dublin">Europe/Dublin</option>
+    <option value="Europe/Gibraltar">Europe/Gibraltar</option>
+    <option value="Europe/Guernsey">Europe/Guernsey</option>
+    <option value="Europe/Helsinki">Europe/Helsinki</option>
+    <option value="Europe/Isle_of_Man">Europe/Isle_of_Man</option>
+    <option value="Europe/Istanbul">Europe/Istanbul</option>
+    <option value="Europe/Jersey">Europe/Jersey</option>
+    <option value="Europe/Kaliningrad">Europe/Kaliningrad</option>
+    <option value="Europe/Kirov">Europe/Kirov</option>
+    <option value="Europe/Kyiv">Europe/Kyiv</option>
+    <option value="Europe/Lisbon">Europe/Lisbon</option>
+    <option value="Europe/Ljubljana">Europe/Ljubljana</option>
+    <option value="Europe/London">Europe/London</option>
+    <option value="Europe/Luxembourg">Europe/Luxembourg</option>
+    <option value="Europe/Madrid">Europe/Madrid</option>
+    <option value="Europe/Malta">Europe/Malta</option>
+    <option value="Europe/Mariehamn">Europe/Mariehamn</option>
+    <option value="Europe/Minsk">Europe/Minsk</option>
+    <option value="Europe/Monaco">Europe/Monaco</option>
+    <option value="Europe/Moscow">Europe/Moscow</option>
+    <option value="Europe/Oslo">Europe/Oslo</option>
+    <option value="Europe/Paris">Europe/Paris</option>
+    <option value="Europe/Podgorica">Europe/Podgorica</option>
+    <option value="Europe/Prague">Europe/Prague</option>
+    <option value="Europe/Riga">Europe/Riga</option>
+    <option value="Europe/Rome" selected="selected">Europe/Rome</option>
+    <option value="Europe/Samara">Europe/Samara</option>
+    <option value="Europe/San_Marino">Europe/San_Marino</option>
+    <option value="Europe/Sarajevo">Europe/Sarajevo</option>
+    <option value="Europe/Saratov">Europe/Saratov</option>
+    <option value="Europe/Simferopol">Europe/Simferopol</option>
+    <option value="Europe/Skopje">Europe/Skopje</option>
+    <option value="Europe/Sofia">Europe/Sofia</option>
+    <option value="Europe/Stockholm">Europe/Stockholm</option>
+    <option value="Europe/Tallinn">Europe/Tallinn</option>
+    <option value="Europe/Tirane">Europe/Tirane</option>
+    <option value="Europe/Ulyanovsk">Europe/Ulyanovsk</option>
+    <option value="Europe/Vaduz">Europe/Vaduz</option>
+    <option value="Europe/Vatican">Europe/Vatican</option>
+    <option value="Europe/Vienna">Europe/Vienna</option>
+    <option value="Europe/Vilnius">Europe/Vilnius</option>
+    <option value="Europe/Volgograd">Europe/Volgograd</option>
+    <option value="Europe/Warsaw">Europe/Warsaw</option>
+    <option value="Europe/Zagreb">Europe/Zagreb</option>
+    <option value="Europe/Zurich">Europe/Zurich</option>
+</optgroup>
+<optgroup label="Indian">
+    <option value="Indian/Antananarivo">Indian/Antananarivo</option>
+    <option value="Indian/Chagos">Indian/Chagos</option>
+    <option value="Indian/Christmas">Indian/Christmas</option>
+    <option value="Indian/Cocos">Indian/Cocos</option>
+    <option value="Indian/Comoro">Indian/Comoro</option>
+    <option value="Indian/Kerguelen">Indian/Kerguelen</option>
+    <option value="Indian/Mahe">Indian/Mahe</option>
+    <option value="Indian/Maldives">Indian/Maldives</option>
+    <option value="Indian/Mauritius">Indian/Mauritius</option>
+    <option value="Indian/Mayotte">Indian/Mayotte</option>
+    <option value="Indian/Reunion">Indian/Reunion</option>
+</optgroup>
+<optgroup label="Pacific">
+    <option value="Pacific/Apia">Pacific/Apia</option>
+    <option value="Pacific/Auckland">Pacific/Auckland</option>
+    <option value="Pacific/Bougainville">Pacific/Bougainville</option>
+    <option value="Pacific/Chatham">Pacific/Chatham</option>
+    <option value="Pacific/Chuuk">Pacific/Chuuk</option>
+    <option value="Pacific/Easter">Pacific/Easter</option>
+    <option value="Pacific/Efate">Pacific/Efate</option>
+    <option value="Pacific/Fakaofo">Pacific/Fakaofo</option>
+    <option value="Pacific/Fiji">Pacific/Fiji</option>
+    <option value="Pacific/Funafuti">Pacific/Funafuti</option>
+    <option value="Pacific/Galapagos">Pacific/Galapagos</option>
+    <option value="Pacific/Gambier">Pacific/Gambier</option>
+    <option value="Pacific/Guadalcanal">Pacific/Guadalcanal</option>
+    <option value="Pacific/Guam">Pacific/Guam</option>
+    <option value="Pacific/Honolulu">Pacific/Honolulu</option>
+    <option value="Pacific/Kanton">Pacific/Kanton</option>
+    <option value="Pacific/Kiritimati">Pacific/Kiritimati</option>
+    <option value="Pacific/Kosrae">Pacific/Kosrae</option>
+    <option value="Pacific/Kwajalein">Pacific/Kwajalein</option>
+    <option value="Pacific/Majuro">Pacific/Majuro</option>
+    <option value="Pacific/Marquesas">Pacific/Marquesas</option>
+    <option value="Pacific/Midway">Pacific/Midway</option>
+    <option value="Pacific/Nauru">Pacific/Nauru</option>
+    <option value="Pacific/Niue">Pacific/Niue</option>
+    <option value="Pacific/Norfolk">Pacific/Norfolk</option>
+    <option value="Pacific/Noumea">Pacific/Noumea</option>
+    <option value="Pacific/Pago_Pago">Pacific/Pago_Pago</option>
+    <option value="Pacific/Palau">Pacific/Palau</option>
+    <option value="Pacific/Pitcairn">Pacific/Pitcairn</option>
+    <option value="Pacific/Pohnpei">Pacific/Pohnpei</option>
+    <option value="Pacific/Port_Moresby">Pacific/Port_Moresby</option>
+    <option value="Pacific/Rarotonga">Pacific/Rarotonga</option>
+    <option value="Pacific/Saipan">Pacific/Saipan</option>
+    <option value="Pacific/Tahiti">Pacific/Tahiti</option>
+    <option value="Pacific/Tarawa">Pacific/Tarawa</option>
+    <option value="Pacific/Tongatapu">Pacific/Tongatapu</option>
+    <option value="Pacific/Wake">Pacific/Wake</option>
+    <option value="Pacific/Wallis">Pacific/Wallis</option>
+</optgroup>
+<optgroup label="Genral">
+    <option value="UTC">UTC</option>
+    <option value="-12:00">GMT -12:00</option>
+    <option value="-11:30">GMT -11:30</option>
+    <option value="-11:00">GMT -11:00</option>
+    <option value="-10:30">GMT -10:30</option>
+    <option value="-10:00">GMT -10:00</option>
+    <option value="-09:30">GMT -09:30</option>
+    <option value="-09:00">GMT -09:00</option>
+    <option value="-08:30">GMT -08:30</option>
+    <option value="-08:00">GMT -08:00</option>
+    <option value="-07:30">GMT -07:30</option>
+    <option value="-07:00">GMT -07:00</option>
+    <option value="-06:30">GMT -06:30</option>
+    <option value="-06:00">GMT -06:00</option>
+    <option value="-05:30">GMT -05:30</option>
+    <option value="-05:00">GMT -05:00</option>
+    <option value="-04:30">GMT -04:30</option>
+    <option value="-04:00">GMT -04:00</option>
+    <option value="-03:30">GMT -03:30</option>
+    <option value="-03:00">GMT -03:00</option>
+    <option value="-02:30">GMT -02:30</option>
+    <option value="-02:00">GMT -02:00</option>
+    <option value="-01:30">GMT -01:30</option>
+    <option value="-01:00">GMT -01:00</option>
+    <option value="-00:30">GMT -00:30</option>
+    <option value="+00:00">GMT</option>
+    <option value="+00:30">GMT +00:30</option>
+    <option value="+01:00">GMT +01:00</option>
+    <option value="+01:30">GMT +01:30</option>
+    <option value="+02:00">GMT +02:00</option>
+    <option value="+02:30">GMT +02:30</option>
+    <option value="+03:00">GMT +03:00</option>
+    <option value="+03:30">GMT +03:30</option>
+    <option value="+04:00">GMT +04:00</option>
+    <option value="+04:30">GMT +04:30</option>
+    <option value="+05:00">GMT +05:00</option>
+    <option value="+05:30">GMT +05:30</option>
+    <option value="+06:00">GMT +06:00</option>
+    <option value="+06:30">GMT +06:30</option>
+    <option value="+07:00">GMT +07:00</option>
+    <option value="+07:30">GMT +07:30</option>
+    <option value="+08:00">GMT +08:00</option>
+    <option value="+08:30">GMT +08:30</option>
+    <option value="+09:00">GMT +09:00</option>
+    <option value="+09:30">GMT +09:30</option>
+    <option value="+10:00">GMT +10:00</option>
+    <option value="+10:30">GMT +10:30</option>
+    <option value="+11:00">GMT +11:00</option>
+    <option value="+11:30">GMT +11:30</option>
+    <option value="+12:00">GMT +12:00</option>
+    <option value="+12:30">GMT +12:30</option>
+</optgroup>

src/lib/StaticQrcode/StaticQrcode.php

@@ -214,30 +214,37 @@ class StaticQrcode {
      * @string summary
      * @string url
      */
-    public function eventQrcode($title, $start, $end, $location, $description, $url)
+    public function eventQrcode($title, $start, $end, $timezone, $location, $description, $url)
     {
-        if($description != NULL && $start != NULL && $end != NULL){
+        if($title != NULL && $start != NULL && $end != NULL){
             header('Content-Type: text/calendar; charset=utf-8');
             header('Content-Disposition: attachment; filename=invite.ics');
 
+            $timezoneFrom = $timezone;
+
+            if(empty($timezoneFrom)){
+                $timezoneFrom = 'Europe/Berlin';
+            }
+
+            $tmpStart = new DateTime($start, new DateTimeZone($timezoneFrom));
+            $tmpEnd = new DateTime($end, new DateTimeZone($timezoneFrom));
+            $tmpStart->setTimezone(new DateTimeZone("UTC"));
+            $tmpEnd->setTimezone(new DateTimeZone("UTC"));
+
             $ics = new ICS(array(
                 'location' => $location,
                 'description' => $description,
-                'dtstart' => $start,
+                'dtstart' => $tmpStart->format("Y-m-d H:i:s"),
-                'dtend' => $end,
+                'dtend' => $tmpEnd->format("Y-m-d H:i:s"),
                 'summary' => $title,
                 'url' => $url
             ));
             
             $this->sData = $ics->to_string();
             $this->sContent = '<div class="row"><div class="col-sm-4">';
-            
+            $this->sContent .= '<strong>Title:</strong> '.$title.'<br>'.'<strong>Start event:</strong> '.$start.'<br>'.'<strong>End event:</strong> '.$end.'<br>'.'<strong>Time zone:</strong> '.$timezone.'<br></div>';
-                $this->sContent .= '<strong>Title:</strong> '.$title.'<br>'.'<strong>Start event:</strong> '.$start.'<br>'.'<strong>End event:</strong> '.$end.'<br></div>';
-            
             $this->sContent .= '<div class="col-sm-4">';
-            
+            $this->sContent .= '<strong>Location:</strong> '.$location.'<br>'.'<strong>Description:</strong> '.$description.'<br>'.'<strong>URL:</strong> '.$url.'</div>';
-                $this->sContent .= '<strong>Location:</strong> '.$location.'<br>'.'<strong>Description:</strong> '.$description.'<br>'.'<strong>URL:</strong> '.$url.'</div>';
-            
             $this->sContent .= '</div>';
 
             $this->addQrcode("event");

src/static_qrcode.php

@@ -51,7 +51,7 @@ if($_SERVER["REQUEST_METHOD"] === "POST" && !isset($_POST["edit"])) {
         case 'vcard':        $static_qrcode_instance->vcardQrcode($_POST['full_name'], $_POST['nickname'], $_POST['email'], $_POST['website'], $_POST['phone'], $_POST['home_phone'], $_POST['work_phone'], $_POST['company'], $_POST['role'], $_POST['categories'], $_POST['note'], $_POST['photo'], $_POST['address'], $_POST['city'], $_POST['post_code'], $_POST['state']);
             break;
 
-        case 'event':        $static_qrcode_instance->eventQrcode($_POST['title'], $_POST['start'], $_POST['end'], $_POST['location'], $_POST['description'], $_POST['url']);
+        case 'event':        $static_qrcode_instance->eventQrcode($_POST['title'], $_POST['start'], $_POST['end'], $_POST['timezone'], $_POST['location'], $_POST['description'], $_POST['url']);
             break;
 
         case 'bookmark':     $static_qrcode_instance->bookmarkQrcode($_POST['url'], $_POST['title']);
@@ -162,23 +162,25 @@ $(document).ready(function(){
 
             $('#start').daterangepicker({
                 timePicker: true,
+                timePicker24Hour: true,
                 singleDatePicker: true,
                 showDropdowns: true,
-                minYear: 2020,
+                minYear: parseInt(moment().subtract(2, 'years').format('YYYY'), 10),
-                maxYear: 2030,
+                maxYear: parseInt(moment().add(8, 'years').format('YYYY'), 10),
                 locale: {
-                    format: 'YYYY-MM-DD hh:mm A'
+                    format: 'YYYY-MM-DD HH:mm'
                 }
             })
 
             $('#end').daterangepicker({
                 timePicker: true,
+                timePicker24Hour: true,
                 singleDatePicker: true,
                 showDropdowns: true,
-                minYear: 2020,
+                minYear: parseInt(moment().subtract(2, 'years').format('YYYY'), 10),
-                maxYear: 2030,
+                maxYear: parseInt(moment().add(8, 'years').format('YYYY'), 10),
                 locale: {
-                    format: 'YYYY-MM-DD hh:mm A'
+                    format: 'YYYY-MM-DD HH:mm'
                 }
             })