Even though it provides an interesting take on some flavours of historical timekeeping it disregards many others - water clocks, candle clocks and hourglasses w

Even though it provides an interesting take on some flavours of historical timekeeping it disregards many others - water clocks, candle clocks and hourglasses were (imperfect) manmade constructions to fix timeframes. Evolutions in accuracy of these tools mostly just map societal needs, and humans tend to structure their environment to help focus their energy on what matters by eliminating waste. Furthermore the author mixes the concepts of time on a clock scale vs calendars. That said, reading and thinking about time and our relation with it is always interesting, and imo part of a more general self reflection that could help one grow.