Hi @jasmyn​ 👋

You know it's hard to update all working hours for on day In Intercom it's not yet possible to just define holidays by date (Or even use country base holidays, like google calendar) but you can set-up bot for this and add not in messenger:

I Think that define holidays by entering dates will be a nice feature, Google calendar has such feature inserting all public holidays by country. 

You should submit this feedback to @Product Wishlist​ , maybe someone from Intercom product team see this suggestion.

Hope this helps in you case.

It isn't ideal but I save these and find I can often reapply them. Only takes me a couple of minutes to apply them to each of my team inboxes.