Create a recurrent all-day event with a specific timezone ID

using System;
using Telerik.Sitefinity.Events.Model;
using Telerik.Sitefinity.Modules.Events;
using Telerik.Sitefinity.RecurrentRules;

namespace SitefinityWebApp
{
   public class CreateAllDayRecurrentEvents
   {
       public static void CreateRecurrentAllDayEvent()
       {
           /// Creates a date in UTC (Coordinated Universal Time) format
           var startDate = new DateTime(2015, 11, 1, 0, 0, 0, DateTimeKind.Utc);

           /// Creates end date which is 10 days after the start event date.
           var endDate = startDate.AddDays(10);

           ///Gets an instance of the events manager.
           EventsManager manager = EventsManager.GetManager();

           Guid id = Guid.NewGuid();

           /// Set timezone id.
           string utcTimezoneId = "UTC";

           /// Creates a new event with the given identity
           Event recurrentEvent = manager.CreateEvent(id);

           ///Set Title (name) of the content item
           recurrentEvent.Title = "Recurrent all day event";

           ///Sets the description of this content.
           recurrentEvent.Description = "Recurrent all day event description";

           ///Sets the event content
           recurrentEvent.Content = "Recurrent all day event content";

           ///Sets the start date/time of the event in UTC.
           recurrentEvent.EventStart = startDate;

           ///Sets the end date/time of the event in UTC.
           recurrentEvent.EventEnd = endDate;

           ///Sets whether the event contains any recurrence logic.
           recurrentEvent.IsRecurrent = true;

           ///Sets whether the event is all day event.
           recurrentEvent.AllDayEvent = true;

           ///Sets the location of the current event.
           recurrentEvent.Location = "Recurrent all day event location";

           ///Sets the time zone id associated with the event
           ///This property is used for persisting the timezone chosen when creating an Event.
           ///The value of this property is important for recurrent events because it is
           ///used in recurrence expressions and DST as well.
           ///The TimeZoneId is a key string that uniquely identifies a particular time zone. 
           recurrentEvent.TimeZoneId = utcTimezoneId;

           /// Defines methods for interacting/creating recurrence rules.
           var rrBuilder = new RecurrenceRuleBuilder();

           /// Creates an expression for a recurrent all day event with one day duration and 10 days occurrences.
           var recurrentExpression = rrBuilder.CreateDailyRecurrenceExpression(startDate, TimeSpan.FromDays(1), endDate, 10, 1, utcTimezoneId);

           ///Sets the recurrence expression associated with the event.                                                                              
           recurrentEvent.RecurrenceExpression = recurrentExpression;

           /// Publishes the defined event.
           manager.Lifecycle.Publish(recurrentEvent);

           /// Save the changes made to events retrieved with this manager.
           manager.SaveChanges();
       }
   }
}