A few days ago, ChatGPT wished me good night. There was just one problem: it was the middle of the day. Of course, an AI can tell you the current time. Ask it, and it can look it up or use the information available to it. But that made me think about a slightly different problem: Knowing the time isn't the same as having a sense of time. When we talk to another person, time is naturally part of the conversation. We know whether it's morning or evening. We know whether we've been talking fo...