I know you didn't ask me but since I've done a very great deal of study on the topic, I thought I'd offer an answer to the question "What is time?"...So, your belief systems includes that fact that you don't have the slightest idea or theory or even guess at how most things that exists today came to be. Thats not very Christian.
It is far more Christian to believe that God created everything, and set into motion his laws of nature that caused everything to be as they are today.
If I asked to to define "Time" what would you say?
Modern science literally defines times as "what a clock measures". They have intentionally conflated time with clocks. In actual fact, time has nothing to do with clocks at all. Clocks are machines that click off, or count a series of arbitrary events.
Time is an idea. More specifically, time is a convention of language used to convey information about the duration and sequence of events relative to other events. The same is true about space, by the way. It too is merely a concept used to communicate the location of objects relative to other objects. Neither time nor space exists outside of a thinking mind.