When are headlights required?

North Dakota Century Code 39-21-01 states headlights are required from sunset to sunrise and on farm vehicles operating on a highway from one half hour after sunset to one half hour before sunrise.

Headlights are also required when it is raining, snowing, sleeting, is foggy or is hailing or during other adverse driving or weather conditions when the conditions prevent a person from clearly making a vehicle discernible at a distance of 1,000 feet.