"Que vas a hacer ahora?" means "What are you going to do/make now?"
"Que vas a hacer" in Spanish translates to "What are you going to do" in English.
"Que vas a hacer mañana" means "What are you going to do tomorrow?" in Spanish.
Que vas a hacer el domingo proximo means what are you going to do next Sunday?
Que vas a hacer esta noche means "What are you going to do tonight"
"What are you going to do after class?"
"¿Qué vas a hacer ahora?"
Translation: What are you going to do tomorrow with your friend?
What are you going to do Sunday morning?
"Que vas a hacer mañana?" means "What are you doing tomorrow?" what = qué are = eres, estás you = tú are you = vas to do = hacer tomorrow = mañana
"Voy a hacer..." followed by the activity you plan to do.
Que va usted/vas hacer hoy? (Formal/informal)
It literally means "...it which you are going to do today.." and it is more mellifluously interpreted as, "...what you're gonna do today."