I found that putting them set exactly to the second to the atomic clock forces me to mentally create buffer time and get places on time.

Setting the clocks ahead gave me a mental assumption of “don’t worry you always have extra time !” And I imagine that setting them all behind would similarly lead me to disregard the reality of the clock.

But setting it precisely on time lets me know that this is real, there are no tricks going on, and I alone have to plan for enough time to do stuff or be places