Can children 14 and up be without adult?

Yes but it depends on the movie rating and time of day.

Yes, depends on the movie though

Depends on the movie

Yes they can, but for PG-13 and lower rated movies; also before late pm shows.

Yes. Depends on the movie.

They can only go alone during the day and with an adult at night.

As long as it isn't R rated. Pg and Pg13 they can go alone