diff --git a/public/js/program.js b/public/js/program.js
index 3b65593..b54ae93 100644
--- a/public/js/program.js
+++ b/public/js/program.js
@@ -1,24 +1,28 @@
 
 document.addEventListener("DOMContentLoaded", function () {
   var timeZone = Intl.DateTimeFormat().resolvedOptions().timeZone;    
-  /*var tzOffset =  new Date().getTimezoneOffset()*60*1000*-1;
-  if(tzOffset !== -180*60*1000){
-      var initialSlotMin = new Date(1631541600000 + tzOffset)
-        .toTimeString()
-        .split(" ")[0];
-      console.log(initialSlotMin);
-      var initialSlotMax = new Date(1631579400000 + tzOffset)
-        .toTimeString()
-        .split(" ")[0];
-      console.log(initialSlotMax);
+
+  /*var slotMin = new Date("2021-09-13:14:00Z")
+  var slotMax = new Date("2021-09-13:23:30Z")
+
+  if(slotMax.getHours()<slotMin.getHours()){
+      slotMax.setHours(23)
+      slotMax.setMinutes(59)
   }
-  */
-  document.getElementById("timezone").innerHTML=`Zona Horaria: ${timeZone}`;
-  var calendarEl = document.getElementById("calendar");
-  var calendar = new FullCalendar.Calendar(calendarEl, {
-    schedulerLicenseKey: "CC-Attribution-NonCommercial-NoDerivatives",
-    googleCalendarApiKey: "AIzaSyCAkkSHMyz2HuxXxux2gOfUsLY9EC-gisE",
-    //themeSystem:'bootstrap',
+  console.log(slotMin.toLocaleTimeString(),slotMax.toLocaleTimeString())*/
+  
+    //document.getElementById("timezone").innerHTML=`Zona Horaria: ${timeZone}`;
+    var timeZoneSelectorEl = document.getElementById("time-zone-selector");
+    if(timeZone !== "America/Montevideo"){
+        var optionEl = document.createElement('option');
+        optionEl.value = "local";
+        optionEl.innerText = timeZone;
+        timeZoneSelectorEl.appendChild(optionEl)
+    }
+    var calendarEl = document.getElementById("calendar");
+    var calendar = new FullCalendar.Calendar(calendarEl, {
+    schedulerLicenseKey: "CC-Attribution-NonCommercial-NoDerivatives",    
+    
     eventDidMount: function (info) {
       var tooltip = tippy(info.el, {
         content: `<strong>${info.event.title}</strong><br/><strong>${info.event.extendedProps.speaker.nombre}</strong><br/>${info.event.extendedProps.description}`,
@@ -88,7 +92,7 @@ document.addEventListener("DOMContentLoaded", function () {
       minute: "2-digit",
       meridiem: false,
     },
-    //timeZone:"UTC",
+    timeZone:"America/Montevideo",
     locale: "es",
     initialView: "timeGridAll",
     initialDate: "2021-09-13",
@@ -97,9 +101,11 @@ document.addEventListener("DOMContentLoaded", function () {
       end: "2021-09-19",
     },
     nowIndicator: true,
-    now: "2021-09-13",
+    now: "2021-09-12",
     slotMinTime: "11:00:00",
     slotMaxTime: "21:00:00",
+    //slotMinTime:"11:00:00",
+    //slotMaxTime:"21:00:00",
     slotDuration: "00:15",
     allDaySlot: false,
     slotLabelFormat: {
@@ -129,4 +135,7 @@ document.addEventListener("DOMContentLoaded", function () {
     },
   });
   calendar.render();
+  timeZoneSelectorEl.addEventListener("change", function () {
+    calendar.setOption("timeZone", this.value);
+  });
 });
diff --git a/templates/program.html b/templates/program.html
index 5d83aa1..65d0977 100644
--- a/templates/program.html
+++ b/templates/program.html
@@ -12,6 +12,11 @@
 <script src="/js/program.js"></script>
   <div class="row">
     <h1 id="programa"><strong>Calendario</strong> </h1>
+    <h4>Zona Horaria:</h4>
+    <select id='time-zone-selector'>            
+      <option value='America/Montevideo' selected >America/Montevideo</option>
+      <option value='UTC'>UTC</option>
+    </select>
     <h4 id="timezone"></h4>
     <span style="background-color:#578e44;" class="label">Plenarias</span>
     <span style="background-color: #3383cb;" class="label">Semiplenarias</span>
@@ -20,6 +25,7 @@
     <span style="background-color: darkred" class="label">Premiados</span>
     <span style="background-color: gray;" class="label">Sesiones</span>
     <span style="background-color: #812c64;" class="label ">Comisión de Género</span>
+     
     <div id="calendar"></div>
     <div class="col-xs-12">
         <!--<div class="alert alert-info">