"Time is the most fluid medium in the universe; humans are its most replaceable element."
There are rules for traveling:
A mage must never go forward.
Keep the secrets of the order in all times.
And never, ever travel during the thirteenth month.
While the world in 2071 has moved forward, the ancient order of the Seba Segel have become ever more archaic. The secret sect founded by astronomer priests has passed its magic to thousands of generations, perfecting the secrets of divination and time travel, while also amassing power, influence, and riches.

Change is on the horizon, and some in the order would do anything to stop it from coming.