blue hour

English dictionary entry

Meanings

noun
  1. The period of twilight when the Sun is approximately 4-8° below the horizon and the sky is within a range of blue colors.

Pronunciation

/ˈbluː aʊə/ /ˈblu(ː)aʊɚ/

Word forms

blue hour blue hours

Etymology

Calque of French heure bleue.

Synonyms

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