blue hour
English
Etymology
Calque of French heure bleue.
![](Images/wiktionary/Philharmonie%252C_Berlin%252C_170518%252C_ako.jpg.webp)
Blue hour shot of the south west facade of Berliner Philharmonie
Noun
blue hour (plural blue hours)
- The period of twilight each morning and evening where there is neither full daylight nor complete darkness.
Translations
period of twilight
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