9/11/2023 0 Comments Arizona time zone name![]() One thing to note here is that Arizona has no DST, so its standard time remains the same throughout the year, which is UTC-7. So, during DST, clocks at California and Arizona show the same time, but you can’t say California and Arizona have the same time zone it would be more accurate to say, California and Arizona have the same local time. For example, two cities might have different time zones but still have the same local time. Time zone and local time are two different terms, mostly confused as synonyms. So, there is no such hard rule for any country it is their choice whether they want to follow one time zone or choose multiple times for different cities. There are some countries large in size but still follow one time zone for social, commercial, and legal purposes for instance, there is a one-time zone in China and India.īased on their large area, they could have multiple time zones like Russia and Canada, but they prefer following one time zone. The aim of the time zone borders map is to match with international and internal time borders, but your local time is not always a 15-degree longitudinal time zone. When you see your time zone map, there are white and gray stripes on them representing time zone borders. One hour time difference indicates solar meantime, and it is 15 longitudinal degrees wide. However, throughout the year the USA uses pacific standard time with an offset of UTC-8. For instance, the United States uses Pacific daylight time during daylight saving time period with UTC-7. In this case, there is a 1-hour extension in the local time. With the time zone name, “Daylight Saving Time” or “Summer” are also included. The time and name of time zones changes during Daylight Saving Time. The reason why we use DST is to get some extra hours of daylight. Daylight Saving Timeĭaylight Saving Time or DST is a practice of setting the time one-hour forwards in summers and moving it back in winters. There are some time zones only 30 to 45 minutes apart it has further increased the number of time zones. Now, there are 3 more time zones added to the list by International Date Line (IDL). 24 Time Zonesīased on 15-degree longitudinal time zone calculations, every time zone is 1 hour apart, so there should be 24 time zones worldwide. Based on these numbers, there are a total of 24 sections of time zones, and every time zone is 15-degree longitude. ![]() To complete its full rotation of 360 degrees, it took 24 hours. Every 60 minutes, our planet Earth moves 15 degrees on its axis. It is something related to the rotation of Earth. Things You Need to Know About Time Zones Why is the Time Zone 15-degree longitude? For instance, the easternmost time zone is 12 hours behind UTC, and the westernmost time zone is 12 hours above UTC, so it uses UTC-12 and UTC+12 tags accordingly. With Greenwich meridian, UTC uses negative and positive to show time zone offsets from UTC. It compensates for the slowing rotation of Earth by adding leap seconds to days regularly. UTC is a variant of Greenwich mean time at zero-degree longitude. What is Co-ordinated Universal Time (UTC)? This article discusses different time zones, and how to calculate time zones. If it is the first time you have ever come across the concept of time zones, it might take you some time to understand how it is measured and why the world has different time zones ranging from UTC-12 to UTC+12. To order the date and time globally, we follow Co-ordinated Universal Time (UTC). According to some astrologers, the observance of stars crossing the meridian would tell a more accurate time than the observance of sun positions. Based on the Earth’s rotation, astrologers observe celestial bodies crossing the meridian to measure the time. Days are split into seconds and calculated to evaluate the exact time of a particular place. There are 24 time zones worldwide, as each time zone has a one-hour difference. In 1878, Sir Sandford Fleming introduced the idea of time zones, and it was first used by America’s railroads in 1883. It depends on the geographical area a country is covering, and countries also have offshore territories. Even the countries that are so big follow 11 different time zones, and others use just one. Based on the distance and location, countries follow different time zones, some countries have only a few minutes offset, and some are a day apart. We know that the clocks in America, China, and Bangladesh show totally different times. What are Different Time Zones? | How is Time Calculated Worldwide?
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