Now let’s talk about these three phases: Civil Twilight Some light is still visible during this time period even though it may look very dark when the sun is setting.īefore it gets dark three different phases of this time period can be observed.Īs the sun happens to add a different level of light pollution during these three different phases, it will be best to avoid stargazing during twilight.Įven though you can stargaze during these three phases, yet it is impossible to get the same result as you get while stargazing during nighttime. Twilightstarts when the sun goes beneath the horizon, meaning when the sun is setting. The time period right before nighttime can be defined as twilight. How Long Does It Take To Get Dark After Sunset? Hence, here it is crucial to mention that having a proper understanding of twilight next will definitely help you to know when it will be just dark enough in your region to enjoy what the night sky has to offer. So, it is safe to say sunset is different from twilight. When you are observing a sunset, atmospheric refraction, near the horizon, will distort the sunlight/sun rays in such a manner that the solar disk geometrically will be around one diameter below the horizon. In astronomy, sunset time can be explained as the moment when the Sun (upper limb) vanishes below the horizon. Distance From The Equator and Latitudesīefore we dive into this, firstly you need to know what do you mean by sunset time.Does It Get Dark Before Or After Sunset?. How Long Does It Take To Get Dark After Sunset?.
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