Important note: Most cities located in Eastern Standard Time (EST) zone currently observe sầu Daylight Saving Time (DST). Therefore, most cities there are using Eastern Daylight Time (EDT). Example of location: Thành Phố New York Use the tìm kiếm bar above to lớn look up by thành phố and not by time zone.

What does it refer to?

The Eastern Standard Time, abbreviated EST, refers to the standard time on the 5th time zone west of the Greenwich Meridian. This time zone is reckoned 75 degrees west of the Greenwich and it encompasses most of the eastern parts of the United States. It is also the timezone used in Canadomain authority, the Caribbean, & in a few countries of South America. All places using it are five hours before the universal time, UTC-05:00. This is during winter & autumn.

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There are a total of 17 U.S. states within this zone, parts of eastern Canada, the state of Quintana Roo in Mexico, Panama in Central America, & the Caribbean islands. On the northern parts of the time zone on second Sunday of March when it is 2:00 AM EST, clocks are moved forward by one hour to lớn 3:00 AM EDT (Eastern Daylight Time).

Popular Time Zones


Conversely, on the first Sunday of the month of November when it is 2:00 AM EDT, clocks are usually moved bachồng by one hour to 1:00 AM. However, some southern parts that include Panama & Caribbean territory vì not take into consideration the daylight saving time.

In addition, the act of Unisize Time led lớn an institution of EDT khổng lồ the last Sunday in April across the United States with effect from 1966. This meant that EST would again be observed on October, the last Sunday. In 1987, there were amendments of the EDT khổng lồ the first Sunday of April of that year.

Furthermore, there were some other changes instituted by Energy Policy Act in 2005 that saw an extension in the daylight saving and this began to lớn take effect from 2007. This means that there were some changes in timing and 2:00 AM EST would become 3:00 AM EDT in March the second Sunday. This also reflected that 2.00 AM EDT would become 1:00 AM EDT in November first Sunday. These changes are the same in Canadomain authority & the United States of America.

Locations observing EST

There are different locations of the world that observe sầu Eastern Standard Time. Some of the locations are Canadomain authority, United States, Central America and the Caribbean territory.


This country is divided into six total times zones which were based on proposals by a Scottish Canadian railway engineer by the name of Sir Sanford Fleming. He was also one of the major players in the creation of the world’s first time zone system. A local ordinance in 1916 started the practice of Daylight Saving Time in the country. Today, most regions observe sầu the practice, although the Constitution of Canada allows for laws regarding timekeeping lớn be decided by the individual provinces. When the United States extended their DST in 2005, Canada’s provinces followed suit across various dates in 2006 và 2007.

Canada also has lớn modify its broadcast schedule to accommodate its six time zones. A large portion of the viewing audience lives in the Mountain Time Zone which does help alleviate some of the issues that the United States faces. Much of the time changes are handled by showing pre-recorded programs on local time.

The following regions in Canada are some observing Eastern Standard Time:

East/Central Nunavut uses EST. This includes places like the Melville Peninsula, Ellesmere, Baffin Islands, Iqaluit and Southampton Isl& although they vì chưng not observe sầu DST.

The United States

The Columbia district including 17 states uses Eastern Standard Time: New Hampshire, Rhode Isl&, Connecticut, Delaware, New Jersey, South Carolimãng cầu, Vermont, West Virginia, North Carolimãng cầu, Thành Phố New York, Ohio, Pennsylvania, Massachusetts, Maine, Marylvà & Georgia.

Additionally six states of America are split between EST & CST (Central Standard Time, UTC-06:00):

The entire state observes EST all the year except in Cincinnati & Louisville, which observe EDT during spring và summer.The eastern part of Kentucky uses EST while the western part observes CST.Michigan uses EST except a few areas in Upper Peninsula, which use CST.Most of the state uses EST as the legal time. Some counties such as Cumberl&, Marion and Bledsoe use CST.

Eastern Time is commonly used as the basis for the “official” time in the United States. This is because the country’s capital & its largest city (Thủ đô New York City) reside within that time zone. When national truyền thông outlets schedule broadcasts or reports on various news stories, they vị so on a schedule that is based on EST, even if the event occurred in another time zone.

Television schedules are posted in EST as well in most cases. In the United States, many prime time shows và live sầu events during weekends are broadcasted live sầu in the EST zone. This is true of morning focused programs, with the exception of Good Morning America Weekover Edition. In this case, the program airs on something called a tape-delay.

Tape-delays are a practice of delaying a broadcast when it comes to lớn material being filmed live sầu. In many cases the delay is only about seven seconds và is used to lớn correct for things lượt thích profanity, bloopers, or violence. For countries with multiple time zones, such as the United States, this delay is used to lớn coordinate live sầu broadcasts on different coasts. In this case it’s referred to lớn as a “west-coast delay.”

Live sầu shows broadcast in the eastern and central time zones & are tape-delayed on the west coast, including Southern California. Other live shows lượt thích CBS This Morning, Today, and Good Morning America, are done in the same method, allowing post production personnel khổng lồ edit out any glitches that happened during the live broadcast.


The country of Mexico uses four main time zones, one of which is the equivalent of EST. Known as the Zomãng cầu Sureste, this zone covers the Mexican state of Quintana Roo. This state is located on the southeastern tip of the country. It is one of the 31 states of Mexiteo, which combined with the Federal District totals 32 Federal Entities of Mexiteo. This state is divided inkhổng lồ 10 municipalities & its capital is Chetumal.

Being located on the eastern part of the Yucatán Peninsula has its advantages as well. With the Caribbean Sea bordering the south of the state, beaches are plentiful. Many will know this state for the thành phố of Cancún, in addition khổng lồ the islands of Cozumel and Isla Mujeres. These are major vacation hot spots for travelers around the world.

The only real downside of this city is the exploding population as a result of new hotels being built & the need for an increased workforce. Hurricanes are a common issue as well since the state is exposed out in the Caribbean. The last major storm was Hurricane Dean in 2007 which had wind gusts of up lớn 200 miles per hour.

Quintamãng cầu Roo changed khổng lồ its current time zone on February 1st, 2015. During the seventeen years between 1982 và 1998 the state followed EST. It took two years of lobbying by the business & hotel owners, in addition lớn tư vấn from the state government, to convince the Federal government to lớn switch it from CST to EST.

This places it in the realm of UTC -05:00, officially a part of EST. The state doesn’t observe daylight saving time, so they remain in CST throughout the year. There were several economic reasons that prompted this shift into a different time zone:

A major reason was lớn allow for tourists visiting places like Cancun, Cozumel, and Playa del Carmen to have more time khổng lồ visit the various beaches, restaurants, cultural sites, & so on. This would allow for more money to lớn be spent at these locations.The change would also lower the use of electriđô thị by hotels, restaurants, & other locations in the state.

Caribbean & Central America

The Caribbean islands of Jamaica, Cayman Islands, Haiti, and Cutía use EST during the winter months. During the summer months they follow Eastern Daylight Time. In Cutía, these changes are the same but they usually occur on different days. The Turks & Caicos Islands originally fell inkhổng lồ this time zone, but they switched khổng lồ the Atlantic Time Zone in năm ngoái.

Panama, a country in Central America which is divided into ten provinces, uses EST throughout the year. The lack of Daylight Saving Time is good for those who don’t wish to giảm giá with the hassle of the changing time. The country is also a major tourist hotspot, with much of its economy based on this.

Many businesses và hotels benefit from being in this time zone and Panama also provides several incentives to lớn attract new businesses khổng lồ the country. For example, there are Special Tourism Zones where businesses can enjoy 100% exemption from taxes lượt thích income, real estate, và import duties. These zones are strategically placed and provide plenty of reasons for businesses khổng lồ choose that location.

Other Time Zones within UTC -5:00

It’s worth noting that there are several other time zones within this same offset from the standard time. These zones occupy the same area as EST but have sầu different names:

Acre Time - This zone is used in South America, primarily in Brazilian states (which use it year-round) and small portions of the Amazonas.Central Daylight Time - While only certain countries, và parts of the United States within the CST zone use this, when they are within the summer months, the hour they go backward puts them in the same offset as EST. Several American, Mexican, & Canadian states/provinces follow CDT.Colombia Time - Otherwise known as COT, this zone has the same offmix as EST, but is used solely within the country of Colombia in South America.Cutía Standard Time - This is another country specific zone known as CST. During the summer months Cuba Daylight Time is followed (CDT).Easter Isl& Summer Time - This is a DST specific time zone that falls inlớn the same offmix. It is used on Easter Islvà và Rapage authority Nui in Chile.Ecuador Time - This time zone is another country specific one, used only in Ecuador with the exception of the Galapagos Islands.Peru Time - Same offphối, used exclusively in Peru.Romeo Time - This is a military time zone used most commonly with aviation. It is out on the sea between two different longitudes.

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