Dawn dusk and twilight1/18/2024 ![]() ![]() That’s why we define them by the distance the Sun has travelled below the horizon. To the naked eye, these can often be confused with each other. However, when we actually break it down further, we can split dusk into the three periods that are after the three periods of twilight. When we’re talking about dusk, this generally is the period of time after twilight is finished. These times are considered to be the best for photographers, with very little artificial light. Blue hour is a shorter time period between -4° and -6°. Golden hour refers to when the Sun is just dipping below the horizon, between 6° and -4°. You also may hear the terms golden hour and blue hour. So whilst all of these three periods of time are considered twilight, we still separate them from each other. This is astronomical twilight, and it’s when we can see the majority of stars and objects in our night sky clearly. You can still make out the silhouettes of trees on the horizon, but it’s too dark to see them properly.įor astronomers, we’re waiting for the time that the Sun is between 12° and 18° beneath the horizon. This is when the Sun is between 6° and 12° beneath the horizon. Things are still clearly visible around us, however it’s around the time you turn your garden lights on, and the street lights come on the side of the street.Īfter civil twilight comes nautical twilight, named because it was used as a navigational tool by seafarers who used the stars to help them navigate the seas. This is when the Sun is between 0° and 6° below the horizon. In the evening, first comes civil twilight. Twilight is separated into three different periods, depending on how far the Sun is beneath the horizon. So, let’s look at the stages of both and see how they’re different. This is a very simple explanation when nautical, astronomical and civil twilight occurs, and it’s the perfect time for astronomical observations. So, twilight directly transcends into dusk when the Sun is 18° beneath the horizon. Dusk is the period after twilight, when the sky is dark and the stars are easily visible. ![]() Twilight simply refers to the period of time after the sun sets beneath the horizon, and the sky begins to get darker for us. But how do you differentiate them from each other? Well, that’s what we’ll be defining the difference between twilight and dusk. Whilst they’re around the same period of time as each other, we generally refer to them as different periods of time when the Sun is falling below our horizon.Īnd when the Sun begins to drop beneath the horizon, these different twilight types begin to become noticeable. Many people get confused between the difference between twilight and dusk. ![]()
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