If $$28$$ January $$2000$$ falls on a Friday, which day of the week will $$28$$ January $2001$ fall on? 
Overseas Competition->Knowledge Point->Word Problem Modules->Periodic Problems->Periodic Problems of Time
$2000$ is a leap year and the period includes $29$ Feb, so there are $366$ days.  $366\div7=52$ R $2$  Friday $+$ $2$ days $\rightarrow$ Sunday 