What does this mean - a que hora juegas a casa los lunes
It does not make sense.
Perhaps you mean
¿A qué hora llegas a casa los lunes?
Have you tried the translator? It is very good. Click "Translation" at the top of the page.
Welcome to SpanishDict.com!
"juegas a casa"
Is clearly, nonsense. However, there are are a number of minor corrections that could be made that would turn it into "real" Spanish. Which is the intended one, is an open question.