SerializableDateTime.cs

// Simple helper class that allows you to serialize System.Type objects.
// Use it however you like, but crediting or even just contacting the author would be appreciated (Always 
// nice to see people using your stuff!)
//
// Written by Bryan Keiren (http://www.bryankeiren.com)

using System;
using UnityEngine;

namespace Supyrb
{
	[System.Serializable]
	public class SerializableDateTime : IComparable<SerializableDateTime>
	{
		[SerializeField] 
		private long m_ticks;

		private bool initialized;
		private DateTime m_dateTime;
		public DateTime DateTime
		{
			get
			{
				if (!initialized)
				{
					m_dateTime = new DateTime(m_ticks);
					initialized = true;
				}

				return m_dateTime;
			}
		}

		public SerializableDateTime(DateTime dateTime)
		{
			m_ticks = dateTime.Ticks;
			m_dateTime = dateTime;
			initialized = true;
		}

		public int CompareTo(SerializableDateTime other)
		{
			if (other == null)
			{
				return 1;
			}
			return m_ticks.CompareTo(other.m_ticks);
		}
	}
}