Questions & Answers about W piątek po pracy idziemy na spacer.
With days of the week, Polish usually uses w + accusative to mean on a given day:
- w poniedziałek
- we wtorek
- w środę
- w czwartek
- w piątek
So w piątek is the normal way to say on Friday.
W piątku is not correct here.
Usually w piątek means on Friday as a specific occasion, depending on context.
If you want to say every Friday, Polish more naturally uses:
- w piątki = on Fridays
- co piątek = every Friday
So:
- W piątek po pracy idziemy na spacer. = We’re going for a walk on Friday after work.
- W piątki po pracy idziemy na spacer. = On Fridays, after work, we go for a walk.