You Lose an Hour of Sleep to Save $4
CGP Grey · 1 则 HN 推荐
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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 推荐的原因： HN people link it as the simple go-to explanation of DST and of how irregular time zone rules complicate scheduling.
“This guy makes absolutely amazing videos on a number of subjects explaining things in really simple terms.” 阅读 HN 讨论 ↗