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1. #Headlights should be activated when visibility is drivers#
2. #Headlights should be activated when visibility is code#

However, you might also need to refresh your memory about the rules of the Highway Code, such as when you need to turn on your headlights. There are some steps you should take to make sure your car is safe during and after a long period of inactivity. If you don’t have them on all the time, turn them on whenever it is difficult to see others or when you think that others may have difficulties seeing you.When Should You Switch Your Headlights On?Īs travel restrictions are eased in the UK and life begins heading back to some degree of normality, many of us will getting back on the roads in our cars for possibly the first time in months. In the European Community and many other countries, the laws require you to have daytime running lights or keep your headlights on at all times. When driving, there is nothing wrong in turning on your headlights long before the sunset and keep them on long after sunrise. You must also know when to use low beam headlights and when to use high beams for your DMV test. This question may appear on your written DMV test. Remember, headlights must be on 30 minutes BEFORE sunrise and 30 minutes AFTER sunset. Note that civil twilight can last much longer than the half-hour, but the law still requires you to turn on headlights 30 minutes after sunset and keep them on until 30 minutes before sunrise. This period is known as nautical twilight. At this point the sky is dark enough for some stars to be visible. When the sun is 12 degrees beneath the horizon, most of us will say that it is dark outside. In the evening, it begins at sunset and ends when the Sun reaches 6 degrees below the horizon. In the morning, civil twilight begins when the Sun is 6 degrees below the horizon and ends at sunrise.

This calculator will tell you the length of the civil twilight right now.Ĭivil twilight occurs when the Sun is less than 6 degrees below the horizon. The higher the latitude, the more is the slope of the setting sun, and the longer it takes for the sun to reach a certain degree beneath the horizon. The real length of the twilight depends on your latitude and the time of the year. Civil twilight is also found in laws and rules related to aviation and hunting.

#Headlights should be activated when visibility is drivers#

Lawmakers use the civil twilight to define points in time when it is necessary for all drivers to use headlights. This period is roughly half an hour after sunset and half an hour before sunrise. Streetlights are still off and, normally, you can see the road without using headlights. During this period the sky is still bright enough, even if you cannot see the sun. The period immediately after sunset is known as civil twilight. The Sun is Below the Horizon – But it is Still Light Outside It may come as a surprise to you, but no, it isn’t. Why is it 30 minutes after sunset and not before? Wouldn’t it be more logical to turn on your headlights before sunset? I mean, isn’t it dark as soon as the sun sets?

#Headlights should be activated when visibility is code#

In the vehicle code or state statutes you will most likely see it defined as 30 minutes after sunset and 30 minutes before sunrise. Nighttime is a period that most of us define as the time after sunset and before sunrise. You must turn on your headlights at night and when it is dark.