Scene: Today during calendar
Miss C: And what is tomorrow?
Student N: Tomorrow is Friday, December 21, 2012.
Student D: Tomorrow is the end of the year.
Miss C: Well, it's the last day of school this year.
Student D: No. I mean it's the end of the world!
Student A: What?
Student K: The world is going to explode tomorrow.
Miss C: The world is not going to end. What do we do when the calendar ends?
Student J: Get a new one.
Miss C: Exactly. The Mayans didn't know to get a new calendar.
Later in the day...
Student D: The world is going to end!
Student K: I'm not going to do my homework because the world is going to end.
Miss C: It is already December 21st in Australia and the world didn't end.
Student D: Oh.
Student K: How is it already tomorrow in Australia?
Miss C: Well, there are things called time zones...