休日の

of one's day off

→ 休日
phrase Rare #20,142
of one's day off 休日 means a holiday or day off, and の connects it to the following noun. Depending on context, it can also mean “holiday” or “休日-related.”
JA: 休日の朝は、ゆっくりコーヒーを飲みます。
EN: On my days off, I drink coffee slowly.

この写真を見るとあの休日のを思い出す

This photo reminds me of that holiday.

ドライブ休日のいい気晴らし

Going for a drive is a great way to unwind on a day off.

彼女は彼の休日のプランに賛成した

She agreed with his plans for his day off.

デパート休日の買い物客でいっぱいだった

The department store was packed with holiday shoppers.

私の休日の計画はだめになった

My plans for the holiday fell through.

休日の計画について彼女の考えと同じだった

Her thoughts about the holiday plans were the same as his.

彼女は休日の計画について彼の考えに同意した

She agreed with his ideas about their plans for the holiday.

お気に入りのカフェで読書をするのが休日の楽しみだ

One of my favorite ways to spend a day off is reading at my favorite café.

それを完成するのに休日のほとんど費やしてしまった

I ended up spending most of my days off finishing it.