Mr. Brown lives in London. His daughter Lily works in New York. When it is 7:00 in New York, it is 12:00 in London. Mr. Brown usually gets up at seven thirty, He usually has breakfast at eight and has lunch at twelve. It's twelve fifteen. Mr. Brown is having lunch. The telephone rings. It's Lily. Mr. Brown is happy. He talks to her for a minute. Then he asks, "What are you doing now Lily?" Lily says, "I'm having breakfast." Then he asks, "What time do you usually get up?" Lily say, "I usually get up at seven." "But it's lunch time now. Why are you still having breakfast?" "No, it's only seven twenty by my clock". "Your clock is slow!"