1. day off
I've a day off
Take a day off if you feel like it.
I took a day off.
I can't meet you this week. I've only got one day off and a couple of important things to sort out.
She has a day off
Take half a day off if you feel like it. (Weź sobie pół dnia wolnego, jeśli chcesz.) I don't have time to take a day off work.
You need a day off my friend.