Process doesn't exit after delayed start

gistfile1.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using Quartz;
using Quartz.Impl;

namespace quartz.test
{
	class Program
	{
		private const string TriggerName = "trigger";
		private const string JobName = "job";
		static void Main(string[] args)
		{
			var factory = new StdSchedulerFactory();
			var scheduler = factory.GetScheduler();


			var trigger = TriggerBuilder
								.Create()
								.WithSimpleSchedule(s => s.WithIntervalInHours(24).WithMisfireHandlingInstructionFireNow().RepeatForever())
								.WithIdentity(TriggerName);

			var detail = JobBuilder
							.Create<TestJob>()
							.WithIdentity(JobName)
							.StoreDurably(false)
							.Build();

			scheduler.ScheduleJob(detail, trigger.Build());

			var next1201am = getTimeSpanUntil1201a();
			// Comment out this line, and uncomment either line
			scheduler.StartDelayed(next1201am);

			// after the timespan has elapsed the job will exit
			// scheduler.StartDelayed(new TimeSpan(0, 0, 7));

			// Both of the following schedulers shut down appropriately
			// I think it's because the job has executed at least once
			//scheduler.StartDelayed(new TimeSpan(0, 0, 2));
			
			//scheduler.Start();
			Thread.Sleep(3000);

			scheduler.DeleteJob(new JobKey(JobName));
			scheduler.UnscheduleJob(new TriggerKey(TriggerName));
			scheduler.Shutdown(false);

			Console.WriteLine("Why am I still here?");
		}

		private static TimeSpan getTimeSpanUntil1201a()
		{
			var tomorrow = DateTime.Today.AddDays(1);
			var next1201Am = (tomorrow - DateTime.Now).Add(new TimeSpan(0, 0, 1, 0));
			
			Console.WriteLine("Next 12:01 am occurs in {0} minutes", next1201Am.TotalMinutes);
			return next1201Am;
		}
	}

	public class TestJob : IJob
	{
		public void Execute(IJobExecutionContext context)
		{
			Console.WriteLine("This is a test job");
		}
	}
}