The zero hour is set in Greenwich, England, because Greenwich sits on longitude zero (also known as the Greenwich meridian). This means that each time zone is exactly fifteen degrees of latitude, and there are a total of 24 of these fifteen-degree slices around the world. Noon in Paris is nighttime in Tokyo to account for these differences, the scientists have discovered that the Earth rotates about 15 degrees an hour. The way time zones work is this: the Earth is constantly rotating around its own axis, which is why noon – the time of day when the sun is in its zenith – hits different places around the world at a different time. Essentially, the time zone system was adapted to ensure countries and people around the world can communicate, use transport systems, and work using the same time standard. To accurately calculate time zone differences, you first need to know exactly how time zones work. The time zone map is a helpful tool to quickly calculate the time zone differences around the world, but there are several key factors you should bear in mind before planning your international calls, travels, or meetings: Time Zone Map Guidelines Thankfully, time zones help to prevent the chaos that would reign if we were unable to readily determine the time in another locality. Time zones are named taking various factors into consideration, the most common one being location. As a result of the different time zones which are shown in this time zone map, there are 39 different local times that are currently being used worldwide which you can view on our time zone map. The borders on a world clock map which represents the time zones around the world are drawn to match up with the local and international time zone borders. Balancing multiple time zones and making sure the selected time works for everyone is no easy task, and this time zone map can help you get your bearings faster. Using the time zone map, you can easily figure out what time is where and what would be the best time to schedule your call for everyone involved. You might need to do this if you have an important conference call to make, or schedule a video meeting involving people from different locations. This is where a time zone map comes in: if you want to know what the time will be in several different places in the world at any given moment, this is the perfect tool for it. But what if you need to know the time in several different locations across the globe at the same time? A quick way to figure out what time it is in another location is using a a time zone converter: simply input your local time and select a country you want to know the time of, and you‘ll get an instant result. For example, this United States time zone map shows the six designated time zones including Eastern, Central, Mountain, Pacific, Alaska, and Hawaii-Aleutian time zones.If you’re someone who works or communicates with people in different continents or countries – and let’s face it, in the day and age of Zoom calls and remote work, who doesn’t? – being able to calculate differences between time zones is essential. Time zones can have names to help easily identify them. Other examples include Afghanistan, Venezuela, and Australia with unusual time zones. But the province mostly observes Atlantic Standard Time (AST). Also, there can be “irregular square” time zones similar to islands.įor example, the province of Newfoundland and Labrador contains its own time zone with the same name that is UTC -3:30. Instead, they are jagged and adapt to the political boundaries of countries. No time zone in the world runs a perfect north-south line. Whereas when you go from the west across the International Date Line, you turn your calendar ahead one day. When you cross the International Date Line moving toward the east, you turn your calendar back one day. The center of the time zone roughly follows 180° longitude without crossing any landmass. The International Date Line is a north-south line in the Pacific Ocean where you turn your calendar back or ahead one day. Whereas it would be 8 am at 60°W longitude International Date Line For example, it would be 4 pm at 60☎ longitude when it’s noon at the Prime Meridian. You can find any time by counting how many degrees longitude it is away from Greenwich. But when you head toward the left, you lose an hour (slow time). In other words, for every time zone that you move towards the right, you add one hour. When you move to the right, you gain time (fast time). Then, the next time to the east spans 7.5☎ to 22.5☎. This means the Prime Meridian time zone spans from 7.5°W to 7.5☎. The Prime Meridian ( Greenwich Meridian) defines the center of the first time zone in the world. Because the Earth rotates 360° every 24 hours, each time zone is 15° longitude apart from the other. We have 24 different time zones in the world.
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