I really uncover this concern interesting and also I would choose to understand the reason myself. And also I would choose to recognize in fact: are they really ideal nouns (PN)? The meaning of PN is no the exact same in every the languages. Also within a offered language the definition of PN is no usually really clear. In Spanish or Italian the job of the week, the surname of the months, and also the surname of the periods are no capitalised. However, the genuine Academia Española doesn't speak they space not PN. However a spelling dominance in Spanish says that "all appropriate nouns should be capilalised" for this reason we just assume they room not PN.
Mar 3 "11 at 9:25
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A appropriate noun surname a specific member of a group: Janet, Asia, and Cadillac are proper nouns. Proper nouns are constantly capitalized.

You are watching: Are days of the week capitalized

Asia is a member the the group of the continents, in the same method January is a member that the group of months, and Monday is a member that the team of weekdays.As per definition of appropriate nouns, weekday names are ideal nouns.

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edited Aug 19 "10 at 14:26
answer Aug 18 "10 in ~ 15:47

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They were developed from the surname of old pagan gods (e.g. Friday—Freya"s Day), so they are capitalized as proper nouns.

If you desire to recognize where each originates from, check out this page: The Seven-Day Week and theMeanings that the names of the Days.

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reply Aug 18 "10 at 15:37

Mehper C. PalavuzlarMehper C. Palavuzlar
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Same as various other idioms:


Lunes - Luna - Moon - Lunae diesMartes - Marte - Mars - Martis diesMiércoles - Mercurio - Mercury - Mercurii diesJueves - Júpiter - Jupiter - Ioves diesViernes - Venus - Venus - Veneris diesSábado - Saturno - Sabbath - Saturday - Saturni diesDomingo - solar - Señor - Sunday - Solis die (domincum)

The work in Latin were regarded the Mesopotamian days, taken from 7 celestial objects (the Sun, the Moon and planets). Those celestial objects have actually a name, therefore the names are nouns.

I read around the etymology statement, and I really don"t understand if it has nothing to perform with this, however as the inquiry says, together I recall the suitable nouns in Spanish are dubbed "Nombres Propios", something like an individual names that gets rid of a lot the idea behind them.

In Spanish you use the rule this way:

Adjectives don"t capitalize. "Egyptian orders". Egyptian is one adjective.

Proper noun turned into massive usage, don"t capitalize "aspirin". There"s a lot of brands that aspirin, so even when the was initially a ideal noun it became common.

See more: What Is A Group Of Sheep Called ? Sheep Terminology

Demonyms or Gentilic, in Spanish, are always written non-capitalized. In her case, capitalized. (Demonym and change from a Spanish to an chrischona2015.org idiom.)

Finally, in the instance of the job of the week, originally capitalized (proper nouns), debated by the Spanish Language royal Academy (RAE) ended up being non-capitalized by the same reasons aspirin is not capitalized. Yet this happened about 10 year ago(?) i don"t know, however I think your question has actually no ideal answer in the light of the proof of other cases in another idioms. Like the one exposed in Spanish.