October 10th, 2021 is Sunday. What day is October $$26$$th of the same year?~\uline{~~~~~~~~~~}~ 
Overseas Competition->Knowledge Point->Word Problem Modules->Periodic Problems->Periodic Problems of Time->Period of Dates
$26-10=16$, $16\div7=2\textbackslash{} \rm R\textasciitilde2$,~ it\textquotesingle s Tuesday. 