![]() Others use civil twilight to define when planes can land or headlights must be used. In some countries, hunting is restricted to daytime and civil twilight to avoid the risk of shooting someone or something you shouldn’t. The reason is that can be useful for planning and legal purposes. ![]() “White nights” are defined as the point where the whole period when the Sun is down is made up entirely of civil twilight.Īnyone can see that twilight gets darker as it goes on, but you may be wondering why one needs to create formal subdivisions. Nautical twilight is defined as the point where the Sun is 12 degrees below the horizon, which conveniently means it occurs twice as long after sunset as civil twilight.Īs you might have guessed, the definition of night is when the Sun is at least 18 degrees below the horizon.Īt high latitudes, the fact that in summer the Sun may never get far below the horizon leads to days without true nights. On the downside, it means there is no allowance for the aforementioned weather. The advantage of this is that, for any location on the planet, you can calculate when this will occur far in advance. The solution has been to define civil twilight as the point where the Sun is 6 degrees below the horizon. On the other hand, in the tropics, civil twilight can be over in less than half an hour. Twilight is the time period between dawn and sunrise, or between sunset and dusk. At high latitudes, the light can linger in summer long after the Sun has set. The obvious option would be to define the twilights by time after sunset, but this wouldn’t work everywhere. Send us feedback about these examples.Image Credit Trougnouf (Benoit Brummer) CC-By-4.0 Twilight is divided into three phases: civil twilight, nautical twilight, and astronomical twilight. During this time, the sky takes on a range of colors from pink and orange to deep blue and purple. These examples are programmatically compiled from various online sources to illustrate current usage of the word 'twilight.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Twilight is the period of time between day and night when the sun is below the horizon but its rays illuminate the sky. Harriette Cole, The Mercury News, 15 Mar. ![]() 2024 As our population ages, there are many people who are facing the realities of what their lives can look like in their twilight years. Rachel Uranga, Los Angeles Times, 19 Mar. on Monday was Space X’s Falcon 9 carrying 22 Starlink satellites to low-Earth from Vandenberg Space Force Base. 2024 That dazzling streak of light across Los Angeles’ twilight sky around 7:30 p.m. 2024 But on the new twilight planet of German politics, despair is only a heartbeat away from hope. 2024 Our setting is Berlin at the twilight of the Jazz Age, as the Nazis are gaining power, and the employees and regulars at a seedy cabaret are navigating their ever-changing world-and having a lot of fun doing it. 2024 The lenses are meant to mimic the evocative light at twilight, when many Italians indulge in aperitivo hour, eat light appetizers, drink, and engage in casual conversation. 2.Dusk refers to the time when evening starts and artificial light is required to read outside. 1.Twilight refers to the time of day between sunrise and dawn and, secondly, to the time between dusk and sunset. It refers to the partial darkness following sunset. Dusk is the time after sunset when the sky gradually gets darker. Twilight and dusk mark the transition between day and night. 2024 Welltower and American Healthcare REIT The other way to play the U.S.’s aging population is through health care REITs that own and/or manage the health care facilities that many seniors will need to visit during their twilight years. Artificial light is required for reading outside during dusk. Dusk is only at the end of the day and usually lasts 70 to 100 minutes. Carlos Aguilar, Los Angeles Times, 30 Mar. ![]() 2024 As with Rohrwacher’s previous movies, there is an exquisite blurring between the tangible and the ethereal, the urban and the pastoral, life and death, past and present - all of it overlapping with the same ease as the hues of a twilight sky. Ella Gonzales, Fort Worth Star-Telegram, 1 Apr. Recent Examples on the Web Many astronomers say that the total eclipse resembles civil twilight. ![]()
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