What is a time zone?

[Clive D.W. Feather]

David Keegel said:
> I think common usage outside this group is that a time zone has variable
> boundaries, and is something like the set of places which *currently*
> observe the same time (although perhaps US EST and CDT might be
> considered different time zones).

Change this to say "currently observe the same time and intend to do so for
the indefinite future" and you eliminate that problem.

-- 
Clive D.W. Feather  | Work:  <clive at demon.net>   | Tel:  +44 20 8371 1138
Internet Expert     | Home:  <clive at davros.org>  | Fax:  +44 20 8371 1037
Demon Internet      | WWW: http://www.davros.org | DFax: +44 20 8371 4037
Thus plc            |                            | Mobile: +44 7973 377646