This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. It will help to know the word 曜日 as well.
I completely recovered from the fatigue from Saturday.
On Saturday, I truly realized that life is easy when you are a good-looking woman.
My stupid boss just told me that I have to work Saturday. Plus, I just caught a cold. And on top of that, my girlfriend dumped me. My life sucks.