平日 - What's the difference between the two readings へいじつ and ひらび?


平日 can be read へいじつ or ひらび. What's the difference between the two readings? Is
one more formal than the other?

The basic meaning seems to be "Weekday" (ie Monday, Tuesday, Wednesday,
Thursday, Friday)




This word is always read へいじつ in modern Japanese. You can safely forget ひらび.
As a native speaker, I didn't even know some dictionaries say it can be read
ひらび.

(I found two (and only two) actual examples of 平日【ひらび】 on the net
([this](https://navicon.jp/news/54548/) and
[this](https://www.aozora.gr.jp/cards/000207/files/47123_35877.html)), where
ひらび seems to be used in the sense of "ordinary days". But these are very rare,
unique, local usages, so you should not follow them.)




This word is always read へいじつ in modern Japanese. You can safely forget ひらび.
As a native speaker, I didn't even know some dictionaries say it can be read
ひらび.

(I found two (and only two) actual examples of 平日【ひらび】 on the net
([this](https://navicon.jp/news/54548/) and
[this](https://www.aozora.gr.jp/cards/000207/files/47123_35877.html)), where
ひらび seems to be used in the sense of "ordinary days". But these are very rare,
unique, local usages, so you should not follow them.)

