ParseExact treats UTC offset as time

```
What steps will reproduce the problem?
1. ParseExact("2009-03-05T23:00:00-08:00","yyyy-MM-ddTHH:mm:ss-hh:mm")
2.
3.

What is the expected output? What do you see instead?
Returns a time of 08:00 (Thu Mar 5 08:00 PST 2009). Offset being parsed
as the time.

What version of the product are you using? On what operating system?
Windows XP SP. IE 6. Version: 1.0 Alpha-1

Please provide any additional information below.
```

Original issue reported on code.google.com by `tj.his...@gmail.com` on 5 Mar 2009 at 7:42