Time Restrictions across multiple Timezones

Scenario:

You have a windows 2000 domain that covers multiple timezones around the
world. User administration is carried out be a team in the one timezone
using remote terminal services running on a machine in another timezone.

A request is submitted, asking for a time restriction to be applies to a
user account that is used in a timezone that is different from both above.

Assumptions:

Mixed NT4 & W2K Domain. User accounts are W2K. Resources are NT4

UTC is Universal time Co-ordinated

Active directory (AD) Forest has time synchronised from a Central Time
source based on UTC.

Questions:


- What time does windows 2000 AD store the restriction in?
- Is it stored in the system as UTC time?
- Is it stored based on the timezone of the client machine that access
the AD and modified the User Account?

- When the user authenticates in a different timezone, how is this
restriction applied;
- Is it adjusted for the timezone of the authenticating Domain
controller?
- Is it adjusted for the timezone of the resource being connected to?
What if the resources span more than one timezones?
- Is it adjusted for the timezone of the client machine? What if the
client is a Terminal server?

-What effect does daylight saving time have?

Any insights into the working of timezones with Windows 2000 would be a plus