  Just as there are different conceptions of the nature of temporal awareness, there are very different conceptions of the nature and large-scale structure and composition of time itself (i.e., the time of the universe as a whole). Can we hope to learn anything about the nature of our experience of time from theories about time per se? This is a complex issue, and this is not the place for a thorough investigation of it. Nonetheless, even a cursory look at the lay of the land reveals a few points that are worth noting.