Unwanted time zone conversion

Greetings!

I am in the eastern US trying to track down events that occurred at a customer site in Vietnam.  I decided it would be easier to look at their database on my machine instead of wrestling with a VNC connection half way around the world.  So, I used PGAdmin to take a backup of their database, and then I restored it onto my computer.  The table I’m interested in now has a column named event_date of type timestamp with time zone.  On the customer’s computer, the time zone is +07.  On my computer, the time zone is -04. 

Is there a way to restore the database onto my computer, leaving the time zone in that column unchanged?

Thank you very much!

RobR