DateTimeInsane.cs

public class DateTimeInsanityTests
{
    [Fact]
    public void YourDateTimeIsInsane()
    {
        var t = new DateTime();

        // Does not throw
        Console.WriteLine(new DateTimeOffset(t.ToUniversalTime()));

        // Throws an exception in timezones east of UTC
        Console.WriteLine(new DateTimeOffset(t));
    }
}