World Time Zones and Time Zone Map

world time zones and time zone map

time zones, world time zones and time zone map

History time zones

Global Time Zones and GMT … Britain’s Gift to the World

  • New Zealand was the first country to adopt a standard time zone when it was still a colony of the British Commonwealth.
  • Most people in Britain refused to acknowledge the Greenwich Mean Time (GMT) as the legal time for their zone until the 1880s even though London is the closest to Greenwich, England.
  • It difficult to believe: GMT was established in the 17th century because sea voyagers ended up losing their directions every time they went to sea!
  • Almost two centuries later, it was the British railways who gave to the world its first time zone based on the GMT.

time zone map … time zone chart … world time zone map … time zones map

Time and the Art of Keeping It!

Ancient people used the sun dial to keep time. The 19th century time-keepers were usually the clockmakers of the town who would routinely set their clocks to noon as soon as the sun was at its peak each day and the other citizens of the town followed suit. The birth of the railways meant quicker communication between places with different local times and this resulted in a lot of confusion. Standardization of time became the need of the hour, quite literally! In the present century, the uses time zones first prescribed by Sir Fleming. All countries in the modern world have now co-coordinated their local time to match with the standard Coordinated Universal Time or UTC as it is commonly known. Since there are different time zones in different parts of the world, people use time zone maps.

What's the Day Today? Find out The UTC Way!

How often have you seen a model of the globe and recollected your geography teacher telling you how it is day in one place and night in the other? Well, it is more complicated geography with respect to time zones. How would you know which day it is when you are about 12 hours away from UTC? To keep things simple, cartographers have come up with the idea that any such place in a time zone which happens to be at the other side of midnight from UTC will first consider the daylight saving time and then have its date scheduled one day later or earlier with respect to UTC.

world time zones … international time zones … global time zones

Scheduled – The Great Time Zone Competition

If the earth is divided into 24 sections, each in the shape of a wedge to mark 24 time zones, why on earth are the time zones so irregular in shape? Well, this is because no country in the world fits perfectly into any one wedge. In addition to this "politically correct" reason, countries also keep changing their time according to the seasons to make the most use of the solar time available. Also, every place on earth calculates its own local time or standard time thereby falling under a particular time zone. Every adjacent time zone is either one hour ahead or one hour behind its closest neighbor. Talk about the competition of the "times"!

map of time zones … time zones map … world time zone conversion

Incredible Facts about Time Zone Converters

  • Unbelievable but true! Any date on the calendar actually exists at some point or the other for 50 hours on the globe! No wonder we need a time zone converter.
  • In fact, there exist places on the earth where several time zones converge! Wonder how many watches people wear in these places? Wonder how time zone converters work at such places!
  • Fractional hour offsets and zonal offsets of more than 12 hours have caused the creation of 40 time zones! That's 16 more than the original number of time zones!
  • Although China and Afghanistan are neighbors, their political boundaries require a time gap of three and a half hours!
  • The Australian Central Western Time zone (CWST) calculates its local time as UTC+8:45 whereas its actual time gap according to Australian time is just 1.5 hours!

north american time zones
us time zones … US time zones … united states time zones
usa time zones … time zones usa … time zones united states
us time zone map … us time zone

Alphabet Zones! The American way!

The US time zone map is clearly defined for the areas that come under the contiguous U.S. If we try to figure out how these zones are formed, we understand that there are four zones named R, S, T, and U, going from east to west. These might look like the randomly selected letters of an alphabet soup, but there is a reason that the US time zone map has these letters. Let’s take a closer look at these time zones.
  • * Zone R (EST) combining the states on the Atlantic coast and the eastern two thirds of the Ohio Valley.
  • * Zone S (CST) encompassing mostly the Gulf Coast, Tennessee Valley, and Great Plains.
  • * Zone T (MST) with mostly the states that include the Rocky Mountains.
  • * Zone U (PST) for the states on the Pacific coast and Nevada.

An Act in Time to Save Time!

Too many cooks do spoil the broth! And when it came to deciding the United States time zones, many officials tried to propose and even forced entire regions to adopt different standard time zones leading to utter confusion among the people. In a way, the earliest of railroads in the United States not just brought cities within each easy reach of each other, they also helped bring some sanity into the way the United States time zones were being decided. It prevented officers from creating different time zones based on conflicting ideas, theories, and policies. It was not until 1918, that the U.S. Congress finally decided upon the Standard Time Act to adopt the Standard Time Zone for the United States. There are 9 times zones observed throughout the states and territories of the USA. An act in time, as some would say!

atlantic time zone

The Atlantic Time Zone does not include any state of the United States but it does include the island of Puerto Rico, which is a territory of the United States. The GMT is -3 and it does not observe Daylight Saving Time.

eastern time zone

The Eastern Coast of the United States falls into the Eastern Time Zone: Connecticut, Delaware, Florida, Georgia, Maine, Maryland, Michigan, North Carolina, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, South Carolina, Vermont, Virginia, West Virginia, and the eastern parts of Kentucky, Indiana, and Tennessee. The GMT is -4 during Daylight Saving Time during the summer and the GMT is -5 during the winter months.

central time zone

The Midwest section of the United States falls into the Central Time Zone: the western parts of Florida, Indiana, Kentucky, and Tennessee, Alabama, Arkansas, Iowa, Illinois, Kansas, Louisiana, Minnesota, Mississippi, Missouri, Oklahoma, Tennessee, Texas, Wisconsin, and the eastern parts of North Dakota, South Dakota, Nebraska, and the most of Kansas. The GMT is -5 during Daylight Saving Time during the summer and the GMT is -6 during the winter months.

mountain time zone … arizona time zone

The Mountain Time Zone is comprised of: the western part of Kansas, Nebraska, South Dakota, North Dakota, Arizona, Colorado, Idaho, Montana, New Mexico, Utah, Wyoming and a small part of the eastern section of Oregon. The GMT is -6 during Daylight Saving Time during the summer and the GMT is -7 during the winter months.

pacific time zone … la ca time zone

The Pacific Time Zone covers California, Nevada, most of Oregon, Washington and the North section of Idaho. The GMT is -7 during Daylight Saving Time during the summer and the GMT is -8 during the winter months.

alaska time zone

The Alaska Time Zone includes the state of Alaska - except the Aleutian Islands. Alaska does observe Daylight Saving Time but the Aleutian Islands does not observe Daylight Saving Time. The GMT is -8 during Daylight Saving Time during the summer and the GMT is -9 during the winter months.

hawaii time zone

The Hawaii-Aleutian Time Zone includes the state of Hawaii and the Aleutian Islands - which are to the west of Alaska. The GMT is -10 during the summer and winter months. Hawaii does not observe Daylight Saving Time.

samoa time zone

The Samoa Time Zone includes the island of Samoa, which is a territory of the United States. Samoa does not observe Daylight Saving Time. The GMT is -11 and Daylight Saving Time is not observed.

chamorro time zone

The Chamorro Time Zone includes the island of Guam, which is a territory of the United States. Guam does not observe Daylight Saving Time. The GMT is +10 and Daylight Saving Time is not observed.

canada time zones … canadian time zones

The Godfather – Starring the Canadian Time Zone

Not many people know that the humble Canadian Time Zone is actually the Big Daddy or the Godfather of all time zones. Yes, the Canadian Time Zone was actually one of the first time zones ever to be invented anywhere in the world. More than a hundred years ago in 1878, the concept of time zones was first promulgated by Canada's Sir Sandford Fleming (no relation to Sir Ian Fleming, the creator of James Bond). Sir Sandford Fleming proposed that the "universal day" must begin at Greenwich and hourly times must be computed locally. This concept was later adopted by the International Meridian Conference in 1884 and is still implemented all over the world.

daylight saving time

He Who Moves my Time (piece)

Most people in the world run behind time, quite literally at that! But do you know how many people and departments are involved in order to help observe the right time in the United States? The Department of Transportation, the National Institute of Standards and Technology (NIST), and its military counterpart, the United States Naval Observatory (USNO), a Department of Commerce agency (phew!) are all involved as time keepers to the nation! Besides which, there are federal laws and acts such as the "Energy Policy Act of 2005" that talk about daylight savings time and time zones in the USA. Seems as if a whole bunch of people make a living from the time zones in the USA. Whoever said that 'Time shall provide for everyone' sure knew what he was talking about!