Read the following context and answer the question.
Context: Sad . But hey , at least she can remember how to find my call phone number , and that I live on the West Coast , in LA . That 's better than the people who called me before 7:30 this morning because they forgot that I lived in LA and was 3 hours behind now . But aside from that , yay for today .
Question: What may have caused them to call you at 7:30 this morning ?
Answer:


They did n't know I lived in a different timezone .