HackerTube / Video
You Lose an Hour of Sleep to Save $4
CGP Grey
CGP Grey explains the mess of Daylight Saving Time, including its dubious energy savings and the odd cases like Arizona that opt out. It is a short, simple explainer.
HN people link it as the simple go-to explanation of DST and of how irregular time zone rules complicate scheduling.
3 Hacker News mentions · 2011–2019