First of all, Congrats!
welcome to horse world where the horses rule your world lol
Since you already have the day off id spend it just lovin on her grooming her and then just letting her relax in a pasture. Bring a book and just sit with her. Its the best way to get to know her!
Also, you better take photos. Its not even a maybe, you have
to take photos its a requirement when one of us looks at a new horse