Examples:

• What time does the movie start?
• It's twenty minutes to two. What time does the movie start?
• What time does the movie start? Do you think we'll make it?
• What time does the movie start? I don't want to be late.
• What time does the movie start?
• What time does the movie start? - In half an hour. If we don't hurry up, we won't make it.
• At what time does the movie start?
• At what time does the movie start? - Nine fifteen.
• At what time does the movie start? - At half past eight.