Last Updated
：2025/11/27
blue hour
（ plural ）
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The period of twilight when the Sun is approximately 4-8° below the horizon and the sky is within a range of blue colors.
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blue hour
We decided to photograph the city skyline during the blue hour because the soft blue tones made the lights look magical.
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We decided to photograph the city skyline during the blue hour because the soft blue tones made the lights look magical.
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