Mother\textquotesingle s Day in $$2020$$ was May $$10$$\textsuperscript{th}, which was Sunday. Father\textquotesingle s Day in $$2020$$ was June $$21$$\textsuperscript{st}. On what day did Father\textquotesingle s Day fall? 
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It passed $$31-10 + 21 = 42$$ days in total. Since $$42 \div 7 = 6$$, which means the Father\textquotesingle s Day fell on Sunday as well. 