Many years ago, $$1^{\text{st}}$$ of May was a Friday. Which day of the week was $$23^{\text{rd}}$$ of May in that year? 
Overseas Competition->Knowledge Point->Word Problem Modules->Periodic Problems->Periodic Problems of Time
First Friday: 　　　$$1^{\text{st}}$$ of May  Second Friday: 　　$$8^{\text{th}}$$ of May  Third Friday: 　　　$$15^{\text{th}}$$ of May  Fourth Friday: 　　$$22^{\text{nd}}$$ of May  $$23^{\text{rd}}$$ of May was a \textbf{Saturday} in that year. 