Is the press conference scheduled for the same time every day?
I just checked the last 3 I posted (link below for search results on FR) and the times are listed at the top of the body of the post content and they were different times.
https://www.freerepublic.com/focus/search?m=all;o=time;q=quick;s=Remarks%20by%20President%20Trump%2C%20Vice%20President%20Pence%2C%20and%20Members%20of%20the%20C%20oronavirus%20Task%20Force%20in%20Press%20Briefing