Sentence:  Sometime on <WSD>Saturday</WSD> evening , August 22nd , while my family and I were dining at the Hostaria dell 'Orso , in Rome , you jimmied a window of our home in Bucks County , Pennsylvania , and let yourselves into the premises . 
Meaning of the word marked with <WSD> tags:  the seventh and last day of the week; observed as the Sabbath by Jews and some Christians