User blog comment:B214/Question and Answers 6/@comment-73.46.6.122-20160822200343/@comment-9595671-20160824093216

Considering it's time manipulation, I'd like to think it allows them to control the flow of time by either accelerating it or slowing it down.

It probably can't rewind time or freeze though, as those two seem to fit Time Control more than Time Manipulation.