Divination is a subject taught at Hogwarts School of Witchcraft and Wizardry. It teaches methods of divining the future, or gathering insights into future events, through various rituals and tools. The magic taught in this class, as well as the ability to say prophetic things is a branch of magic referred to as "divination."

The Owlery is a room on the top of Hogwarts Castle's West Tower, where the school owls and the owls belonging to students live during the school year. The Owlery is a circular stone room, rather cold and drafty, because none of the windows had glass in them. The lack of glass on the windows allow the owls to come and go freely. The floor was entirely covered in straw, owl droppings, and the regurgitated skeletons of mice and voles. Many owls were nestled here on perches that rose right up to the top of the tower. During the winter months, the room is very cold, to the point that one has to be careful with ice on the higher landings.

"You might belong in Gryffindor,
Where dwell the brave at heart,
Their daring, nerve and chivalry
Set Gryffindors apart."

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The Clock Tower is one of the features of Hogwarts castle. There are many gears and bells inside that run the tower. There is an old courtyard at its base, and at the top is the glass face of a massive clock. There is space at the top for a person to either work on the clock or to stand and look out over the courtyard.

Astronomy is also the only field of study at Hogwarts which has a direct equivalent in the Muggle world. Known student activities include learning the names of stars, constellations and planets, as well as their location and movements, and describing the environments of planets and moons. Astronomy classes take place in the Astronomy Tower, the tallest tower in Hogwarts Castle, and include sky observation sessions with telescopes (each student has to buy one of his/her own).