If I'm not getting the question, then I'll admit I'm lost.

If one can observe the sun on the horizon, and you whether it is setting or rising, then you should be able to get rough estimate of north (or any direction) based on simply figuring that it is rising or setting in the east or west. As the Sun approaches a solstice, or as latittude increases, these estimates will become less correct. Right now the sun is nearer the solsitce, so it is probably not at least 20 degrees off of direct east or west when observed at sunrise or sunset.

But if you are not quizzing about an amplitude or about the thinking that north will be to the left when one looks at sunrise, then I don't get the question. What are you asking about? You're making me curious. Teach me something.