evening sky; twilight sky
Refers to the sky in the evening, especially around sunset or twilight. Often used in poetic or descriptive contexts.
The evening sky is dyed orange.
He was lost in thought while gazing at the twilight sky.
Compound of 夕 (yū, 'evening') and 空 (sora, 'sky'), with rendaku voicing of 空 to ぞら.