Civil Twilight is a term that is used to describe a specific period of time during the day that occurs between daylight and darkness. This period is characterized by the sun being just below the horizon, which results in a unique quality of light that can have a significant impact on the design of buildings and outdoor spaces. During Civil Twilight, the sky takes on a blue hue that is different from the bright blue of daytime and the deep blue of nighttime. This unique quality of light is often used by architects and designers to create a calming and peaceful atmosphere in buildings and outdoor spaces. One of the key aspects of Civil Twilight is the way that it can be used to manipulate the quality of light in a space. By using materials and design elements that take advantage of the unique qualities of light during this time of day, architects and designers can create spaces that are both functional and aesthetically pleasing. For example, windows can be strategically placed to take advantage of the natural light available during Civil Twilight, while lighting fixtures can be used to create a warm and inviting atmosphere. Another important aspect of Civil Twilight is the way that it can be used to determine the best time for outdoor activities. Because the amount of natural light available during this time of day is suitable for a wide range of outdoor activities, it is often used as a benchmark for determining when to schedule events such as outdoor dining or concerts. In addition, the length of shadows that are cast during Civil Twilight can be used to determine the best placement for outdoor lighting fixtures. Overall, Civil Twilight is a unique period of time that occurs between daylight and darkness. It is characterized by a unique quality of light that can have a significant impact on the design of buildings and outdoor spaces. By taking advantage of the natural light available during Civil Twilight, architects and designers can create spaces that are both functional and aesthetically pleasing, while also providing a calming and peaceful atmosphere for those who use them.
Civil Twilight, quality of light, design elements, outdoor activities, natural light, shadows, lighting fixtures, calming atmosphere
Civil twilight is a period of time in architecture when the sun is at a certain angle below the horizon and the sky begins to darken, but some of the sun’s light is still visible. This period of time occurs before astronomical twilight, when the sun is below the horizon and all of its light is no longer visible. Civil twilight is primarily used by architects to measure the amount of natural light that will be available in a given area and the length of shadows that will be cast. The amount of natural light present during civil twilight can help architects determine the size and placement of windows, as well as the type of lighting fixtures that will be necessary for a space. In addition, civil twilight can be used to determine the best time for outdoor activities, such as outdoor dining, as the amount of light available during this time is suitable for these activities.
Light, Horizon, Natural, Sun, Angle.
CITATION : "Michael Adams. 'Civil Twilight.' Design+Encyclopedia. https://design-encyclopedia.com/?E=235952 (Accessed on July 01, 2025)"
Civil Twilight, within the scope of architecture, refers to the time between day and night when the sun is close to the horizon and its light is diffused. This particular time of day is especially important for architects, as the quality of the light and the shadows it casts can have a strong impact on the design of a building. The quality of light during this time of day can be manipulated through the use of materials and other design elements, allowing for maximum effectiveness. In addition, this particular time of day has a calming and peaceful effect on humans, which can be used to create a calming atmosphere in the building's interior.
Light, shadows, design, materials, atmosphere.
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