Hi there and welcome to the Elfsight family, @Sturgeon_Spirits 
Business Hours in the Store Locator app aren’t synced with Google and you should manually set them in the settings:
However, we agree that it would be amazing to automatically pull the info about working hours from Google, and this idea is already on the Wishlist - Sync opening hours with Google
Please upvote it if you’d like this feature to be released in the future 