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The blue hour occurs when the Sun is far enough below the horizon so that the sunlight's blue wavelengths dominate due to the Chappuis absorption caused by ozone. [2] Since the term is colloquial, it lacks an official definition such as dawn, dusk, or the three stages of twilight.
Jul 19, 2019 · Blue hour is simply the time of day before sunrise and after sunset when the atmosphere has a deep, dark blue color. Like the famous “golden hour,” blue hour is not really an hour. Its exact length depends on your latitude, time of year, and weather conditions.
The blue hour refers to the phase of twilight when the Sun is so far below the horizon that the light's blue wavelengths dominate. Because the blue hour is a colloquial term, it doesn't have an official definition similar to dawn, dusk, and the 3 phases of twilight.
Aug 30, 2014 · The blue hour generally lasts the 20 to 30 minutes just after sunset and just before sunrise. For example, if the sun sets at 5 p.m., the blue hour would last from approximately...
The blue hour is the time just before sunrise and just after sunset when the sun is below the horizon and the sky (generally) turns a beautiful shade of blue. Blue-hour skies can also take on orange, yellow, purple, and pink hues.
Jun 5, 2017 · The blue hour typically occurs for about 40 minutes twice a day — once right before the sun pops up in the morning and once right after the sun dips below the horizon following the evening sunset.
Apr 26, 2024 · In photography, the ‘blue hour’ is a term used to describe the period before sunrise and after sunset when the sun is below the horizon, resulting in a beautiful blue sky. Sandwiched between night-time and the golden hours of sunrise and sunset, blue hour provides two main benefits for photographers.
