I'm a noob here. But, I am in a sandbox with no corporate time. I see local time, and I explored the DOM around it.
Next to local time is corporate. And, it seems there is some consideration of showing this if it has value and hiding it if it does not.
I suggest the style that is (likely dynamic) should be changed to use the following, instead of the current "visibility". Why? Because using "visibility" doesn't collapse the element if it is empty. It just ends up a big blank spot in the GUI. It should collapse.
/* Whatever determines to add "visibility: hidden" when #today_corp_block is empty should add "display: none" instead, so it collapses elegantly. */