How is the term “lighting up time” defined by law?

1. Correct answer: The night time or any other time when visibility is poor.
2. The night time or any other time in which visibility is normal.
3. The time period from sunset to sunrise only.
4. The time period from sunrise to sunset.

WhyPoor visibility time means night time and any other time when visibility is poor, for example in fog or heavy rain. Answers saying only night or only day are wrong.