In this interview with Robert Lawrence Kuhn for the PBS series Closer to Truth, the independent British physicist Julian Barbour endeavours to distinguish between our experience of time and its scientific underpinnings, including what has and hasn’t changed about our conception of time since we first looked to the skies to measure it.
https://aeon.co/videos/from-sky-charts-to-atomic-clocks-time-is-a-mysterious-story-that-humans-keep-inventing