The slide notes and graphic refer to a feature that was available in previous vSphere editions. For vSphere 5.5, please, disregard them completely!Correct:
As previously stated, when correcting slide number 04-22, in the VMware vCenter Server Appliance console, you can use the arrow keys to navigate and select the Timezone option, but you cannot change the Timezone as the console exits the command-line interface immediately and returns back to the VMware vCenter Server Appliance welcome screen.
By design, the Timezone is set to UTC and cannot be changed in the vCenter Server Appliance console.Source:
VMware Knowledge Base articles.