Many people don’t know much about the origins of the biannual ritual: most of us just look forward to getting an extra hour of natural light in the spring and dread the lost hour of sleep in the fall.
While daylight savings has been adopted around the world, it has been controversial in many countries — this is why we really have to move the clock forward every year.
DST is confusing for what may not be very obvious reasons. It’s more complicated than just remembering when it starts (beginning of March) and when it ends ( first week of November). Two of the biggest debates about whether daylight saving time, or summer time as it’s called outside the United States, focus on the practice’s negative health outcomes and whether DST really saves energy, which was its original intent.
To compile a list of lesser-known facts about daylight saving time, 24/7 Tempo reviewed over a dozen studies, news reports, and historical articles on DST’s origins, the controversies around it, and how it is observed around the world.