Why don't we make Wednesday the day we try speaking Japanese at the speed of native speakers?
What day of the week is today?
The bottom line is that we have to finish this Japanese assignment by Friday.
The weekday day is the day of the week, as in "Monday" or "Tuesday." You'll be learning those on level 18, but first you should learn 曜日 to get you prepared.
This word uses the on'yomi reading for 曜 and the kun'yomi reading for 日. You've learned both of these already, but be careful because ひ of 日 changes to び here.