![]() ![]() 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. Ready to start keeping world time? Let’s dive right in: 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! This means that the time zones leveraged in central time zone regions are 7 places behind the starting line of Greenwich.Understanding the time standard and time zones is useful if you work, communicate, or collaborate with people who live in different countries than you. During the months when daylight savings is observed, Central time zone changes to Central Daylight Time or CDT which is 5 hours behind Universal Time (UTC -05:00). These lines aren't straight and neat, many are negotiated and agreed based on the country's needs.Ĭentral time zones can either be Standard or Daylight depending if the region using the zone observes daylight savings time during spring and summer seasons.Ĭentral Standard Time or CST for short is 6 hours behind Coordinated Universal Time (UTC - 6:00). It's the time we've all agreed to follow so it's easier to travel, communicate and barter with people around the world.
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