[While he isn't sure what a month is in this man's time, or even if their days would be the same length, or hours or minutes, he doesn't ask after the details just yet. It's enough that they already know their own definitions of time are likely not the same.]

I see. This is something with which I am familiar already, having come from a world where time's ebbs and flows are far different than another that I had been watching. It would change without warning, and one day on my world could be the span of an hour or a day or even a year on the other world while the opposite might be just as true.

[He shakes his head lightly.] I know not where your world stands in relation to all of this, only that our concepts of a day are... likely very different.