What is time?

The more closely we observe time, the less it corresponds with reality. It's easy to understand that time is nothing more than an illusion impacted by our mood and experience. It has no fundamental structure. But as bestselling author Annaka Harris discusses using the works of Carlo Rovelli, George Musser and Julian Barbour, it's challenging to create an analogy that can help us wrap our minds around how our memory can misrepresent time.