time zones in the world

Time zone abbreviations list

Abbreviation	Time Zone	Current time	UTC offset	GMT offset
ACDT	Australian Central Daylight Savings Time	Fri 10:59 PM Fri 22:59	UTC+10:30	GMT+10:30
ACST	Australian Central Standard Time	Fri 9:59 PM Fri 21:59	UTC+9:30	GMT+9:30
ACT	Acre Time	Fri 7:29 AM Fri 07:29	UTC-5	GMT-5
ACWST	Australian Central Western Standard Time	Fri 9:14 PM Fri 21:14	UTC+8:45	GMT+8:45

Jun 17 2022

Full Answer

Why are there so many time zones in the world?

There are 24 different time zones in the world set at 15 degree longitude intervals in between. The Earth completes one full rotation in 24 hours at a speed of 15 degrees per hour. The premise behind time zones is that the world is theoretically divided into 24 equal longitudinal zones and the time is accordingly adjusted in each zone by an hour.

How many time zones is in the world divided into?

There are 24 time zones in the world. This signifies that the Earth is divided into 24 'slices', and each time zone moves on one hour from the previous time zone and each 'slice', is 15O wide. Time Zone One is that of Greenwich and, universal time (UT) which serves as a reference to the whole world and is calculated from this.

What are the four time zones of the world?

• California
• Nevada
• Oregon
• Washington
• Wisconsin

What country has the most time zones?

Which Country Has the Most Time Zones?

• The Starting Point of Time Zones. The starting point at which Coordinated Universal Time (UTC) starts is the Prime Meridian (zero degrees longitude).
• International Date Line. ...
• France Has the Most Time Zones. ...
• Countries With the Second Most Amount of Time Zones. ...
• Time Zones in Antarctica. ...
• Map of Time Zones in the World. ...
• See Also

What are the 7 time zones in order?

From east to west they are Atlantic Standard Time (AST), Eastern Standard Time (EST), Central Standard Time (CST), Mountain Standard Time (MST), Pacific Standard Time (PST), Alaskan Standard Time (AKST), Hawaii-Aleutian Standard Time (HST), Samoa standard time (UTC-11) and Chamorro Standard Time (UTC+10).

How many time zones are in there in the world?

24 time zonesThe world is divided into 24 time zones. The course of one day is broken down to the seconds and calculated to define the correct time of a particular place. However, it is not that easy. The 24 time zones, created in accordance to each hour of the day, are theoretically drawn vertically like longitudes over the globe.

What are 24 time zones?

Hawaii–Aleutian Time Zone. ... Alaska Time Zone. ... Contiguous USA Time Zones. ... Pacific Time Zone (PT) ... Mountain Time Zone (MT) ... Central Time Zone (CT) Central Standard Time (CST) UTC − 6 h; Central Daylight Time (CDT) UTC − 5 h.Eastern Time Zone (ET)

What are all 6 time zones?

The United States is spread across six time zones. From west to east, they are Hawaii, Alaska, Pacific, Mountain, Central, and Eastern.

Which country time zone is first?

Kiribati – pronounced Kiribas – is the only nation on Earth to permanently trespass into GMT+14: the earliest time zone in the world.

Which country has most time zones?

France, including its overseas territories, has the most time zones with 12 (13 including its claim in Antarctica). Many countries have daylight saving time, one added hour during the local summer, but this list does not include that information.

Why does Russia have 11 timezones?

The country was divided into eleven time zones in 1919, after the Bolshevik Revolution, with boundaries going along railroads and rivers, although these time zones have since been revised multiple times.

Where is the last time zone?

For any given date, the latest place on Earth where it would be valid, is on Howland and Baker Islands, in the IDLW time zone (the Western Hemisphere side of the International Date Line). Therefore, the day ends AoE when it ends on Howland Island. The convention originated in IEEE 802.16 balloting procedures.

What is the largest time difference?

26 hoursYou can see that the most extreme time zones are +14 hours at Line Islands (Kiribati), and -12 hours in and around Baker Islands (US). Therefore, the maximum possible difference between times on Earth is 26 hours. That means that at 11:00 PM of a Monday in Baker Island, it is 1:00 AM of a Wednesday in Line Islands.

Does any state have 3 time zones?

Nebraska, Kansas, Texas, North and South Dakota are divided between Central and Mountain time zones. Florida, Michigan, Indiana, Kentucky, and Tennessee are split between Eastern and Central time zones. Alaska is split between the Alaska time zone and the Hawaii-Aleutian time zone.

What does UTC stand for?

Coordinated Universal TimeCoordinated Universal Time / Full namePrior to 1972, this time was called Greenwich Mean Time (GMT) but is now referred to as Coordinated Universal Time or Universal Time Coordinated (UTC). It is a coordinated time scale, maintained by the Bureau International des Poids et Mesures (BIPM). It is also known as "Z time" or "Zulu Time".

What time are we now in USA?

Time in States and Federal Districts in USA (51 States and Federal Districts Listed Below, 13 States and Federal Districts Have Multiple Time Zones)Alabama *Sat 12:12 pmAlaska (Aleutian Islands) *Sat 8:12 amAlaska *Sat 9:12 amArizona (northeast)Sat 10:12 am60 more rows

Which country has the most time zones?

It’s France, having 11 time zones due to its numerous dependencies.

How many time zones are there in the world?

There are many more than 24 time zones , because every country may have a particular standard time zone, which is convenient for its international...

How time zones affect people?

Jet lag, skewing time zones, DST and difference with the solar time are among many inconveniences caused by the current time zone system.

How many zones are there in the United States

Almost the whole country is subject to the six time zones . In this regard, an American can outline the following zones, where the majority of the...

Which organizations regulate time zones?

The United States of America is provided with services of timekeeping by two federal agencies: The National Institute of Standards and Technology (...

Why are there more than 24 time zones?

That’s why there are many more than 24 time zones, because every country may have a particular standard time zone, which is convenient for its international cooperation.

What is the purpose of time zones?

Time Zones define and establish the appropriate time within individual countries and regions, having an enormous impact on business, communication, and world management. The time zones obey specific rules referring to geographical principles of longitude. In this regard, one should understand how the standard is defined.

What is GMT in Greenwich?

Greenwich Mean Time (GMT) is the solar time at Greenwich at 0° longitude. Civil time doesn’t always match the exact GMT. Coordinated Universal Time (UTC) is used to substitute GMT with the more precise and rigorous determination of time. The main feature that differs UTC from GMT is the way of keeping track of time based on a 24-hour system that starts counting time from midnight.

Why is UTC important?

In case of GMT, the main goal of UTC is to designate the universal time zones order and its correlation among the countries around the world.

Why is solar time important?

Apparent solar time lacks accuracy and is very difficult to adjust the clock to while mean solar time allows to simplify the process of timekeeping and make it more universal around the world and more rigorous. With time, it transformed into an even more updated way of measuring time — civil time.

How many time zones does Russia have?

In this regard, Russia has 11 time zones expanding from Moscow to Kamchatka through the Caucasus. Also, some nations take the whole continents, like Australia. It made the government establish three time zones Eastern Standard Time (UTC+10), Central Standard Time (UTC+9.5), Western Standard Time (UTC+8) 7.

How are time zones in Antarctica defined?

The time zones in Antarctica are mostly defined by social and international factors. The settlements and scientific stations establish time order as each station represents a certain country. Also, sometimes Antarctic stations set the time in accordance with the zones of the closest countries.

How far apart are timezones?

Most timezones are exactly one hour apart, and by convention compute their local time as an offset from UTC or GMT. In many locations, these offsets vary twice yearly due to DST transitions. Every country may have a particular standard time zone though, if it is more convenient for its world cooperation. The standard time zone is a region ...

What is 24timezones?

24timezones — your World Time Buddy. Our service was founded in 2005 to help people around the world save their time when planning travels, business trips, online events or conference calls. Currently 24timezones provides such services as website clock widgets, time converter, event countdown and many others for millions ...

Who invented daylight saving time?

The concept of Daylight Saving Time (DST) was proposed by Benjamin Franklin and refers to advancing the standard time within the region or zone by one hour to enhance the duration of daytime. Typically clocks are adjusted forward one hour in spring and backwards in autumn.

Is AM/PM a 12 hour time?

AM/PM within the 12-hour time format is not effective way to indicate the precise time. There might be confusion regarding the time of a day as well as it can mislead in the date when midnight is not properly indicated. Considering that legal and other formal standards require the use of 24-hour convention.

Accuracy of the Time Zone Map

All clock changes worldwide are automatically taken into account and displayed in real-time as soon as you reload the page. Future changes are usually incorporated into our database before they take effect, so the map accurately reflects the current situation.

How to Use the Map

Search for any city in the search field above and place a black "pin" by that city on the map. If you place more than one pin, an extra line of information is added underneath the map with links to those cities' pages. You may add as many pins as you like.

How many time zones are there on Earth?

At the end of the 19th century, the Earth was divided into 24 time zones, each of 15 degrees longitude, and on the opposite side of Greenwich South Circle, an international date-line designated. For practical reasons, the boundaries of the zones have adapted to geographical and political boundaries, many of which have involved changes in time zones.

How many different time zones are there?

There are 24 different timezones, separated by one-hour intervals with each 15 degrees longitude. The zones measured according to the Greenwich Mean Time used as the starting meridian, that measured in hours before and after GMT.

Why do some countries change their clocks in the summer?

This is called daylight saving time – one way to give people an extra day of sunshine in the evening. With summertime, countries reduce energy consumption because people use less electricity for lighting.

Where is the date line on Earth?

On the opposite side of the Earth to the starting meridian, there is a date-line that runs mainly through the Pacific Ocean, avoiding the mainland. The locations to the west are 24 hours ahead of the east of the line. This means that if we travel through it in the east, we will lose one day, while we will gain one day to the west.

Which countries use the same time zone?

For example, China could be divided into several time zones, but instead, the whole country uses the same time. Some areas, such as parts of India, Iran, and Australia, use non-standard half-hour deviations.

Why is it midnight in Tokyo?

When it is noon in Rio de Janeiro, it is midnight in Tokyo. The reason for this is that we divide the Earth into different time zones. Within each zone , people set their clock for the same time. If someone is traveling by plane between two zones, he or she will adjust his/her clock to the one used in the new zone.