pi膮tek

In a sentence

• Dziś jest piątek, cieszę się, że nadchodzi weekend.

  Today is Friday, I'm glad the weekend is approaching.

  In this sentence, 'piątek' refers to a day of the week, Friday. It's used as a noun to specify the day.

• Kupiłem bułkę z piątkiem, była bardzo smaczna.

  I bought a bread roll with piątek, it was very tasty.

  Here, 'piątek' refers to a type of Polish traditional filling made with cottage cheese or similar. It is used as a noun.

• Spotykamy się w piątek o piątej, zapraszam.

  We are meeting on Friday at five o'clock, you are invited.

  In this example, 'piątek' is again used to indicate the day Friday, emphasizing the concreteness of the time-related context.