 The metaphysics of time is, however, one of the cross-roads of philosophy where issues intersect. If one thinks of a basic ontology consisting not of events but of substances or continuants, then one is apt to wonder what it is that makes sentences marking episodes in the histories of such substances—sentences like ‘\(S\) is \(\Phi\) at \(t\)’—true. One frequent suggestion is that the “truth-makers” of such sentences are facts, the fact that at \(t\), \(S\) is \(\Phi\). Then one might further note that in the current year, 2021, we can say: