"Déanfaidh m'athair an dinnéar ar an gCéadaoin."

Translation: My father will make the dinner on Wednesday.

[obekim]

That will be Ash Wednesday then!

[mjkuecker1965]

He'll be ringing the local pizza parlour for delivery. :)

[Marie-Clai133496]

And this time , both" on Wednesday" and "on Wednesdays" are accepted, whereas in a previous lesson ( lesson 8, future tense), only "on Friday" was accepted for "ar an Aoine"...

Comprenne qui pourra !

[larryone]

"Making the dinner" vs "making dinner"
Another feature of hiberno-english

[gruamaire]

is ar an gcéadaoin not on wednesdays? this seemingly contradicts a previous lesson

[JohannaMcKenna]

Doesn't anything happen in Ireland on Tuesdays?

[BrainyPirate]

Can you drop the "the" without changing the meaning?

[BrainyPirate]

apparently, you can