Time Shift: The Economic Impact of Daylight Saving Time - podcast episode cover

Time Shift: The Economic Impact of Daylight Saving Time

Apr 02, 202516 minSeason 16Ep. 362
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Episode description

Daylight Saving Time — a simple clock adjustment with far-reaching consequences. As countries debate whether to keep, ditch, or make DST permanent, the economic and health implications of this time-shifting practice are coming under increasing scrutiny.

In this episode of Down to Business English, Skip Montreux and Samantha Vega explore the origins, impact, and ongoing debate surrounding Daylight Saving Time (DST). From its wartime beginnings to modern economic studies, they examine how DST affects everything from energy consumption to productivity, retail sales, and even public health. Along the way, they discuss what different countries around the world are doing — or not doing — with their clocks.

Their conversation is a great learning resource if you want to build your English listening comprehension skills and expand your business vocabulary. Key points of their discussion include:

  1. The historical origins and intended purpose of Daylight Saving Time.
  2. How DST impacts energy use, retail sales, and worker productivity.
  3. The health risks associated with clock changes.
  4. Why the debate over DST is far more than just a matter of time.


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Contact Skip, Dez, and Samantha at

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Transcript

Announcer

From Tokyo, Japan and New Plymouth, New Zealand – this is Down to Business English. With your hosts Skip Montreux and Samantha Vega.

Skip

I have to say Samantha, it is finally starting to feel like spring here in Tokyo.

Samantha

Oh yeah?

Skip

Yeah The days are getting longer and after a fairly cool start to March, the temperature is finally warming up a bit.

Samantha

It’s exactly the opposite here in New Zealand, Skip. While you are welcoming spring over there in Japan, we are ushering in autumn. It’s definitely colder out there and the rain is here!

Skip

Oh, well that’s terrible. It’s always interesting to me how you and I experience opposite seasons. While your days are getting shorter, we are getting more daylight.

Samantha

And soon, we’ll be changing our clocks. Daylight Saving Time is ending here next weekend.

Skip

That’s right. At the moment you are four hours ahead of me. Once you move your clocks back an hour, there will only be a three hour difference. When did you say that happens?

Samantha

On the first Sunday in April. April 6th this year.

Skip

Oh. Much much later than in Canada and the US.

Samantha

That’s right. All my friends and family in North America make the change on the 2nd Sunday of March.

Skip

I wonder why that is, why New Zealand changes their clocks on a different day.

Samantha

It has to do when the seasons change here. I’m not quite sure. In any case, New Zealand — for as small as it is — has two time zones. It’s all quite confusing to tell you the truth.

Skip

Daylight Saving Time is confusing! We go through all this clock chaos twice a year. Many people are asking if it’s worth it?

Samantha

And it’s not just about having more or less daylight.

Skip

What do you mean?

Samantha

Did you know that Daylight Saving Time can affect everything from power grids to productivity levels — even retail sales?

Skip

Hm. No, I didn’t. But now that you mention it, I’m not surprised.

Samantha

That’s why I thought we should report on Daylight Saving Time today on Down to Business English.

Skip

Mm. That’s an excellent idea! A very timely topic — pun fully intended.

Samantha

So, let’s do it. Let’s get D2B … Down to Business with Time Shift — The Economic Impact of Daylight Saving.

Skip

Let’s start with the basics. What is the origin of Daylight Saving Time?

Samantha

Good question, Skip. Daylight Saving Time, or DST, was originally introduced as a way to make better use of natural daylight.

Skip

A simple idea.

Samantha

Yes. By moving the clocks forward by one hour in the spring and back one hour in the fall, the goal was to give people more daylight in the evening — especially during the summer months.

Skip

I remember when I was living in Canada, in Saskatchewan, it wouldn’t get dark until 10 pm in the summer.

Samantha

I know, it was similar in Vancouver. Those were great summer nights.

Skip

So basically, by changing the clocks, we are tricking ourselves into thinking the sun is in the sky longer.

Samantha

Exactly! It’s a clever little hack.

Skip

And when did we start using Daylight Saving Time?

Samantha

DST goes back more than a century — and it actually has some pretty serious origins.

Skip

What do you mean?

Samantha

Germany and the UK adopted DST during World War I in an effort to conserve electricity. The logic was that if there was more daylight in the evening, people would use less artificial lighting.

Skip

In the era before LED lights and 24-hour cities, that makes a lot of sense.

Samantha

These days however, the question is whether DST still makes economic sense. Some studies suggest that energy savings are negligible — or perhaps even non-existent.

Skip

Is that right?

Samantha

In fact, in some regions, energy usage actually increases because people use more heating in the early mornings and more air conditioning in the longer evenings.

Skip

So we are turning off the lights but cranking up the air conditioning?

Samantha

Mm. Pretty much. And it doesn’t stop there. According to economic researchers at Chmura Economics & Analytics, the time change in spring costs the U.S. economy over $US 430 million each year — mostly due to lost productivity, workplace accidents, and health-related issues.

Skip

$430 million?! That is a huge price tag for just moving the clock an hour.

Samantha

It is. But some sectors do benefit.

Skip

For example?

Samantha

For example, retailers often see a bump in business during DST because people are more likely to go out shopping or to a restaurant when it’s still light after work.

Skip

I imagine outdoor recreation businesses like golf courses also see gains.

Samantha

Absolutely.

Skip

Sounds like the benefits really depend on what kind of business you’re in.

Samantha

Health experts, however, are raising red flags. Sleep researchers argue that DST disrupts our circadian rhythm — our internal body clocks — and the spring-forward shift has been linked to higher rates of heart attacks, strokes, and traffic accidents.

Skip

Yikes. I always thought I just needed an extra cup of coffee after the time change. Now I’m thinking I might need a health check-up.

Samantha

And workplaces see the effects too. Studies have shown that on the Monday after the spring clock change, productivity drops significantly, and workplace injuries spike.

Skip

It’s like jet lag — but without the vacation.

Samantha

Now, all of this has led to growing political pressure to either abolish DST or make it permanent.

Skip

Where is this happening?

Samantha

In the United States, there have been several proposals — the most well-known being the Sunshine Protection Act, which was first proposed in 2018 by US Senator Marco Rubio.

Skip

Isn’t he now Donald Trump’s Secretary of State?

Samantha

Yes, he is now. But back in 2018 when he proposed the Sunshine Protection Act he was a Senator from Florida.

Skip

Mm. Florida — the Sunshine State!!

Samantha

That is their moniker, yes. The Act proposed making DST permanent across the entire country. It passed in the Senate in 2022, but didn’t make it through the House of Representatives.

Skip

So it is not a law.

Samantha

Not for the time being, but it still has serious backing. A revised bill was reintroduced in January this year, so it might become law in the not too distant future.

Skip

And what about in the European Union?

Samantha

The EU voted to end mandatory clock changes back in 2019, but implementation has been delayed. And as for other countries like Japan, India, and China — they don’t observe DST at all.

Skip

So, there’s no global standard.

Samantha

No there isn’t. The question now is — what happens next? Businesses operating across time zones face extra complexity twice a year. Scheduling meetings, flights, or software updates can be a logistical headache.

Skip

Hm. Tell me about it. I have missed more than one Zoom call because of DST confusion.

Samantha

And in countries still debating DST — industries like transportation, logistics, and manufacturing have to stay on their toes when coordinating with partners in regions that don’t change their clocks.

Skip

Where do you stand on this issue Samantha?

Samantha

Well, I mean I’ve lived in Japan too and I’ve lived without Daylight Savings and I’ve lived with Daylight Savings. For me, I’m all for making Daylight Saving Time a permanent thing. I like the extra sunlight. But I’m not a fan of switching back and forth twice a year. I really don’t think it’s good for our health.

Skip

As you said, in Japan we don’t change our clocks, so I would not be bothered if DST became a permanent international standard. And on a personal note, it would make recording with you and Dez a little easier as our meeting times would be consistent throughout the year.

Samantha

That’s right. At the moment I’m 4 hours ahead of you, but after I push back the clock on the 6th of April, there will only be a 3 hour difference between us.

Skip

I will have to make a note of that so we don’t miss a recording session together.

Samantha

Me too.

Skip

Well, whether countries keep changing the clocks or decide to stop, one thing is clear — the debate over Daylight Saving Time goes beyond just sunlight.

Samantha

Exactly. It’s about health, economics, and how we organize our lives around time itself.

Skip

And on that note, I think it is time we get D2V … Down to Vocabulary. The first item on our D2V list today is the phrasal verb to usher something in. This means to signal the beginning of something new — especially something that is important or significant.

Samantha

It comes from the noun usher — a person whose job is to lead people to their seats, like in a movie theatre or at a wedding. So, to usher something in is like leading or introducing something to the world.

Skip

In today’s episode, Samantha said New Zealand was ushering in autumn — meaning that autumn is just beginning in that country.

Samantha

Exactly. We often use usher in when talking about major changes or transitions. Things like seasons, governments, or even business trends.

Skip

Can you give us a business-related example?

Samantha

Sure. The mass production of electric vehicles has ushered in a new era for the auto industry.

Skip

Good example. What’s next on our D2V list?

Samantha

The next item is the noun hack.

Skip

Oh yes — this word has several different meanings.

Samantha

It does. In modern, everyday English, a hack usually refers to a smart solution to a problem, or a shortcut that makes something easier to do, or more efficient.

Skip

And that is how it was used in today’s episode.

Samantha

Yes. At one point in my report, I described Daylight Saving Time as a clever little hack.

Skip

Samantha was saying that DST was a smart solution to making more use of daylight hours in our lives.

Samantha

But ‘a hack’ can also have a negative meaning. If someone is called ‘a hack’, it means they’re unprofessional or not very skilled.

Skip

That’s right, especially in creative jobs like being a writer or a musician, or some type of artist.

Samantha

Like a writer who just churns out low-quality work without much care could be called a hack.

Skip

But these days, when people say ‘a hack’, they’re usually talking about life hacks, tech hacks, or productivity hacks — in other words, simple ways to save time or effort.

Samantha

Can you give us a business-related example using ‘hack’ in one of these ways?

Skip

I sure can. In my job, I typically need to write 10 to 20 emails a day. To save time, I use email templates. Starting a document from a template is a great productivity hack.

Samantha

Hm. That’s a perfect example.

Skip

Our final item for D2V today is the adjective negligible. If something is described as negligible, it means it is so small or unimportant that it’s not even worth considering.

Samantha

We use negligible when something is technically there, but it has almost no effect.

Skip

In today’s episode, Samantha told us that some studies on the benefits of Daylight Saving Time suggest that the energy savings that come from using DST are negligible.

Samantha

I was saying that the savings were so small that they didn't really matter.

Skip

Negligible is often used in business or science when we want to emphasize that something is statistically or practically unimportant. Samantha, can you give us a business-related example?

Samantha

Sure. Imagine that your company changes suppliers and after switching your boss asks you for your opinion on the new supplier. You could answer by saying that you have noticed only a negligible difference in material quality.

Skip

Meaning the difference in quality between the old and the new supplier, it’s not zero — but it’s close enough that you almost don’t notice.

Announcer

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Skip

Thanks for that report, Samantha. I never realized how far-reaching the effects of Daylight Saving Time are — or how much of a debate there is around it.

Samantha

It’s definitely a topic that is more complex than it first appears. Whether countries keep it or do away with it, the impact on business, health, and daily life is very real.

Skip

D2B Members and Apple Podcast Subscribers — your bonus Down to Vocabulary episode for today’s report will be dropping very shortly. In that bonus D2V episode, we will be looking at five more useful expressions from today’s report.

Samantha

Those words are to crank up, to see a bump in something, to raise a red flag, a moniker, and to stay on one’s toes.

Skip

So be sure to look for that in your feed. D2B Members, don’t forget to copy and paste your member-only RSS feed link from your account page on the D2B website into the podcast app you use.

Samantha

And Apple Podcast Subscribers — no need to do anything. The bonus episode will show up in your Apple Podcast app automatically.

Skip

And if you are not yet a D2B Member or Apple Podcast Subscriber but find Down to Business English helpful for your English studies, consider supporting the show by becoming a member directly through our website — or by subscribing through Apple Podcasts.

Samantha

To become a D2B member directly through our website, just visit d2benglish.com/membership and sign up today.

Skip

And to become an Apple Podcast subscriber, just visit the Down to Business English show page in the Apple podcast app, and click ‘Subscribe’. Thanks for listening, everyone. See you next time.

Samantha

Take care.

Announcer

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