However, not all countries around the world use daylight savings. In the fall, the sun begins to rise and set earlier, and that’s when clocks are moved one hour back to account for the difference. During summer, the sun rises and sets later, which is why moving the time forward by one hour helps extend the daylight giving people more daylight hours and saving energy. Why do some countries around the world switch to Daylight Savings time, while others do not? In essence, moving the clocks forward and back in the spring and fall months is done to extend the daylight hours. In the winter, many of the territories covered by CDT switch to the CST (Central Standard Time) time zone. And because it is a Daylight Saving Time, CDT is only used during the summer months. In other words, it has an UTC offset of 5 hours (CDT is 5 hours behind UTC). And, as you’ve probably guessed it already, the CDT time zone covers large parts of the United States and North America. What Is CDT Time?Ĭentral Daylight Time ( CDT) is a Daylight Saving Time zone that is also known as CDST (short for Central Daylight Saving Time) or NACDT (short for North American Central Daylight Time).
To make it even clearer, let’s talk about UTC and the UTC offset for a bit. As long as you know which time zone you are in and the UTC offset of another country, you can easily calculate the time in that country. This may sound confusing at first, but keeping time this way offers a lot of benefits to people, companies, and even the military around the globe. However, if the countries are located West or East of each other, they will observe a different time – this is why Spain and Russia, as an example, are in different time zones despite being much closer than Spain is to South Africa. What this means is that it’s noon everywhere along the same longitude: it’s the same time in Madrid and Cape Town, despite these cities being thousands of miles away from each other. This is because, once again, the Earth rotates around its axis, but the poles do not move. Now, time zones are calculated by degrees West or East rather than North or South. This way, it’s 12PM at noon everywhere in the same time zone. Each slice is a time zone that is 15, 30, 45, and so on degrees West or East from Greenwich one slice accounts for one hour behind or ahead the Greenwich Mean Time ( GMT), which sits atop the zero longitude. To keep track of time around the world accurately, scientists split the planet into 24 slices, each slice accounting for 15 degrees of longitude counting from the Greenwich Meridian, also known as longitude zero. When it’s evening in London or Frankfurt, the sun is only rising in Lima or Los Angeles in other words, different regions of the world observe noon at a different time, and when it’s night in one region, it may be noon in another. Because the Earth is a sphere that rotates, it cannot be noon at the same time all over the world: as the Earth turns, the sun hits different regions at different times. To start at the beginning, let’s explain what a time zone really is.
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And to make time zones more fun, we’ll list some curious time zone facts and trivia at the end of the article, so be sure to read it till the end. Next up, we will provide a list of the major territories that are located in the CDT time zone, as well as all the major cities in this region.
To clear up the confusion about time zones, explain CDT (Central Daylight Time), one of the major time zones in the world, we’ll dig into the science and history behind time zones and talk about how it works. Knowing how time zones work and how to calculate time in different locations around the planet helps you plan and communicate better – after all, no one wants to get a work call or a Zoom invitation for midnight or two in the morning, even though it may be a perfectly reasonable time on your end! Understanding the time standard and time zones is useful if you work, communicate, or collaborate with people who live in different countries than you.
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