Not only that, but when combined with how we have no way of measuring the passage of time...

[Akechi pulls his jacket's sleeve back far enough to expose his wristwatch and taps the face of it.]

I believe something is actively distorting our perceptions, either in an attempt to make us think we haven't been here as long as we have, or the opposite, to make us think we've spent a long time here. My question is, why bother? Are we simply test subjects for some higher power, perhaps?