Bing is finally showing holiday hours in their local pack and local business knowledge panel results.  They began showing up yesterday to show holiday hours and closures for Thanksgiving Day.  They are also detailing special hours for events such as Black Friday.

Here is how it looks showing holiday closures in the local pack:

And for the local knowledge panel view: And here is how it appears for special event hours, such as Black Friday, in both the local pack and the knowledge panel.

Bing announced that it is active on both desktop and mobile, and they would continue doing this for all holidays going forward.

Google added their own version of this last September.