It is by pure coincidence that we exist on a planet and in a time when our star, the Sun, is covered exactly during total eclipse. No other known planet has total eclipse and at some point in the future they won't occur on Earth either.
"How do you measure time?" Do you fill it with memories of the past or do you chase it with the heart-felt thoughts of what might-have-been. thoughts of what could have evolved if you'd turned left instead of right?