blue hour

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blue hour

/ˈbluː aʊə/ UK
/ˈblu(ː)aʊɚ/ Canada, US

Rhymes with -aʊə(ɹ)

Where it comes from

Calque of French heure bleue.

noun blue hours

The period of twilight when the Sun is approximately 4-8° below the horizon and the sky is within a range of blue colors.
Similar: crepuscule, gloaming

Translations

Every language

noun period of twilight

Español	hora azul
Português	hora azul
Français	heure bleue
Deutsch	blaue Stunde
Italiano	ora blu
Русский	режи́мное вре́мя režímnoje vrémja

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MLA

"blue hour." Wiktionary, via Micwyn, micwyn.com/word/blue%20hour. Accessed 6 Nov. 2026.

APA

blue hour. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/blue%20hour

Chicago

"blue hour." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/blue%20hour.

BibTeX

@misc{blue_hour_2026,
  title = {blue hour},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/blue%20hour},
  urldate = {2026-11-06}
}