When are headlights required to be used in Dubai?

Headlights are required to be used from sunset to sunrise and in low visibility conditions because these times can significantly reduce the driver's ability to see the road, other vehicles, and pedestrians. Using headlights during these periods enhances visibility and safety for all road users.

In low visibility conditions, such as fog or heavy rain, headlights help improve the driver’s sight and make the vehicle more visible to others on the road, reducing the risk of accidents. This regulation is in place to ensure that drivers can navigate safely during times when natural lighting is insufficient or environmental conditions impair vision.

The other options don't capture the full scope of when headlights must be used. For instance, while headlights may be useful during the day, they are not mandated in regular daylight hours unless visibility is compromised. Similarly, using headlights solely on highways, or only when it is raining, would not address the comprehensive regulations that prioritize driving safety in varying light conditions.