If $$3^{}\text{th}$$February is Monday, what day of the week is $$27$$\textsuperscript{th~}February? 
Overseas Competition->Knowledge Point->Word Problem Modules->Periodic Problems->Periodic Problems of Time
We can count backward by days or by weeks. Count a few weeks back to find that $$22$$\textsuperscript{nd} February is a Monday. Then count a few days back to find that $$24$$\textsuperscript{th~}February is a Wednesday. 