Your site becomes live when the DNS updates that you requested from the DNS Administrator go into effect, and your hostname(s) have been added to your Pantheon site dashboard. The DNS Administrator can schedule DNS updates upon request.
When you initially add your hostname(s) to your Pantheon site dashboard, and once the DNS changes go into effect, it can take up to one hour for the hostname(s) to finish HTTPS provisioning on Pantheon's Global CDN.
Once the updates are implemented, visiting your live hostname (EXAMPLE.berkeley.edu) from...