This property returns a string which specifies the full time zone
name in which the external IP address is located. These names are
defined by the Internet Assigned Numbers Authority (IANA) and have
values like "America/Los_Angeles" and "Europe/London".
These time zones may also be defined as "Etc/GMT+10" if there
is not a regional name associated with the time zone.
The TzShortName property will return an
abbreviated time zone name, such as "PST".