Ireland is five hours ahead of Eastern Standard Time, so if it is12 noon, in the American states that observe Eastern Standard Time, it is 5pm in Ireland. Eastern Standard Time is the time zone that is used in parts of Canada, South America and the East Coast of America. The States that use this time zone are:
• Connecticut
• Delaware
• Georgia
• Maine
• Maryland
• Massachusetts
• New Hampshire
• New Jersey
• New York
• North Carolina
• Ohio
• Pennsylvania
• Rhode Island
• South Carolina
• Vermont
• Virginia
• West Virginia
Washington D.C also observes Eastern Standard Time, as do parts of the following States:
• Alabama
• Florida
• Indiana
• Kentucky
• Michigan
• Tennessee
Over half the country's population observes this time zone and it is recognized as the official time in the United States, because it is the time zone observed by Washington D.C.
Other time zones that are used in the United States are:
• Atlantic Standard Time
• Central Standard Time
• Mountain Standard Time
• Pacific Standard Time
• Alaskan Standard Time
• Hawaii Standard Time
• Samoa Standard Time
• Chamorro Standard Time
The first recorded time zone was Greenwich Mean Time, which is still used today in many countries including the United Kingdom. This time zone was introduced in 1847, and other time zones arrived in the early 1900s, after Sandford Fleming proposed them.
There are currently 40 time zones in use in the world, and even though China spans five time zones, it actually recognizes only one of these zones and this is used throughout the country.
• Connecticut
• Delaware
• Georgia
• Maine
• Maryland
• Massachusetts
• New Hampshire
• New Jersey
• New York
• North Carolina
• Ohio
• Pennsylvania
• Rhode Island
• South Carolina
• Vermont
• Virginia
• West Virginia
Washington D.C also observes Eastern Standard Time, as do parts of the following States:
• Alabama
• Florida
• Indiana
• Kentucky
• Michigan
• Tennessee
Over half the country's population observes this time zone and it is recognized as the official time in the United States, because it is the time zone observed by Washington D.C.
Other time zones that are used in the United States are:
• Atlantic Standard Time
• Central Standard Time
• Mountain Standard Time
• Pacific Standard Time
• Alaskan Standard Time
• Hawaii Standard Time
• Samoa Standard Time
• Chamorro Standard Time
The first recorded time zone was Greenwich Mean Time, which is still used today in many countries including the United Kingdom. This time zone was introduced in 1847, and other time zones arrived in the early 1900s, after Sandford Fleming proposed them.
There are currently 40 time zones in use in the world, and even though China spans five time zones, it actually recognizes only one of these zones and this is used throughout the country.