We usually use the present continuous tense for future events that have already been arranged:
HERE ARE SOME EXAMPLES:
- They are dancing all night long!
- What are they doing all night long?
- We are working quite closely.
- This guy is sleeping when you find him.
- Tomorrow at three o'clock Josh is cooking.
- It is raining the entire week.
- He is running until he's too tired to move.
- When is he running until?
- I am waiting all the day.
- He isn't going to New York.