Why the U.S. Changes the Clocks: Daylight Saving Time Explained

⏳ Twice a year, millions of Americans change their clocks — but not every state does. This episode traces the history of Daylight Saving Time from Benjamin Franklin to modern legislation, exploring why the system was created, why many people dislike it today, and how it affects sleep, safety, and daily life.

Designed for intermediate English learners, this episode builds comprehension through real cultural context. Listeners learn how the U.S. time system works, why Hawaii and Arizona do not participate, and what the government has attempted to change. A useful guide for anyone wanting to know more about American timekeeping traditions.

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📝 Vocabulary list

1) Unique (adj): special or unusual

2) Time change (n): the act of changing the clocks forward or backward by one hour

3) Daylight saving time (DST) (n): the period from spring to fall when clocks are set forward one hour to make use of longer daylight hours

4) Impacted (v): affected

5) Circadian rhythm (n): the natural cycle that regulates sleep and wakefulness in humans

6) Minimal (adj): very small

7) Spike (n): a sudden sharp increase in something

8) Logistics (n): the details of planning and organizing a complex activity

9) Poll (n): a survey that asks a question of a large number of people to find out their opinions

10) Abbreviation (n): a shortened form of a word or phrase

11) Through the roof: idiom meaning to rise quickly.