Answer
Increasing entropy is the direction of time moving forward: time can be oriented in terms of the universe's entropy.
Work Step by Step
By the second law of thermodynamics, entropy always increases as time goes along.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.