unix epoch helper

Epoch.cs

using System;

public static class UnixUtils
{
    public static DateTime FromUnixTimeStamp(this Int64 unixTimestamp)
		{
			return new DateTime(1970, 1, 1).AddMilliseconds(unixTimestamp);
		}

		public static Int64 ToUnixTimeStamp(this DateTime date)
		{
			var epoc = new DateTime(1970, 1, 1);
			var timeSpan = date - epoc;

			return (long) timeSpan.TotalMilliseconds;
		}
}