Maybelline ends work at $$20:30$$. She works for $$8\textasciitilde\text{h}\textasciitilde45\textasciitilde\min$$. What time does she start work? Express your answer in the $$12$$-hour clock.~\uline{~~~~~~~~~~}~ 
Overseas Competition->Knowledge Point->Counting Modules->Permutations and Combinations->Combinations Overseas Competition->Knowledge Point->Combinatorics->Time Problem->Time Calculation