Correct answer: A. From just after dusk to just before dawn.
Lighting up hours are defined as the period of time during which drivers should turn on dipped headlights in order to be seen. This period normally starts half an hour after sunset and ends half an hour before sunrise.
This is an official-style question from the Safe and Responsible Driving topic of the Ireland driver theory test (Cat. B). Practise all 807 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.
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