Time is an illusion according to Einstein. And, to the fae, time is inter-dimensional. Hermione Granger could move back and forth through time with her time turner. In
Deborah Harkness's All Souls Trilogy and her new book
Time's Convert, time is fluid and is used as blessing and a honed-weapon in the fight for Witches, Vampires, Daemons, and Humans to live together peacefully. If you think about it, old Vampires are like time itself but even better because they are the keepers of historical memories and experiences