USA Time Zone Map A time zone map of USA with a live clock for each time zone and Greenwich Mean Time (GMT). Prince Edward Island and small portions of Quebec (eastern Côte-Nord and the Magdalen Islands) are also following the Atlantic Standard Time, as well as the Virgin Islands of the United States.Įffective 2007, the local time changes from AST to ADT at 02:00 LST to 03:00 LDT on the second Sunday in March, and returns at 02:00 LDT to 01:00 LST on the first Sunday in November.īeginning and end dates of the daylight saving time in the United States and in Canada. A time zone map of Canada with a live clock for each time zone and Greenwich Mean Time (GMT). In Canada, the provinces of New Brunswick and Nova Scotia are in the Atlantic Time Zone. Atlantic Standard Time is commonly shortened to Atlantic Time (AT). The areas in Canada that do not follow daylight saving time are northeastern part of British Columbia, Saskatchewan, Southampton Island and east of the Natashquan River part of Quebec. It spans from northern Canada to Mexico near the equator. The MT time zone is the least populated time zone in the US. The red lines divide the country in its time zones. What Is Mountain Time Mountain Time (MT) is the second westernmost time zone in the United States and Canada. This is for example in the Virgin Islands of the United States. Below is a time zone map of Canada with cities and real live clock. There are 9 time zones in the USA: Hawaii (UTC -10:00), Alaska (UTC-09:00), Pacific (UTC-08:00), Mountain (UTC-07:00), Central (UTC-06:00), Eastern (UTC-05:00). Atlantic Daylight Time is three hours behind the Greenwich Mean Time (UTC/GMT -3).Īreas, which follow the Atlantic Time Zone and which do not apply daylight saving time, there Atlantic Standard Time is used also during the summer months. This is during the spring, summer and autumn months. The PT time zone is the third most populated time zone in the US. It is also used in Baja California, Mexico. The four main ones are Eastern, Central, Mountain, and Pacific Standard Time. What Is Pacific Time Pacific Time (PT) is the westernmost time zone in the contiguous United States and Canada. This zone is based on the mean solar time of the 60th meridian west of the Greenwich Observatory.Ītlantic Daylight Time (ADT) is observed when the clocks are adjusted to daylight saving time. There are actually six time zones in the USA. Sorted by time slots from lowest to highest St.The Atlantic Time Zone or Atlantic Standard Time (AST) stands for time, which is four hours behind the Greenwich Mean Time (UTC/GMT -4). John's) - Northern Territory of Australia - South Australia.Įucla - Chatham Island - Nepal, adjusts to a 45 minute or 3/4 hour time slot. In this way, it can be easier to distinguish them from most countries that adhere to the 1-hour time slot.Ĭountries or localities that conform to a time slot of 30' are: Afghanistan- Chatham Islands - Eucla - India ( Sri Lanka) - Iran - Lord Howe Island (in winter) - Myanmar - Newfoundland ( St. To differentiate those countries from the rest, these intermediate time slots have been associated with 5 additional colors. Some countries do not adjust like most, to the exact hour of 60 minutes (1 hour), corresponding to the multiples of meridian of 15º. Map showing the time zones of Canada, the US, and Mexico. In the same way it would be with the rest of countries and colors. More eg: between New York and Saudi Arabia, both countries in yellow, (except during New York's summer time), the difference between those countries will be 8 hours, or if it were in green, Colorado and France, all them (multiples of 4 h). If we wanted to see at a glance the time difference between California and the United Kingdom (both countries with the same pink time zone color), the time difference between both countries will be 8 hours, (multiple of 4 hours) (except when one of these countries, this one using daylight saving time and the other one not). In turn, these colors can be practical to visualize the time difference between countries with the same color, since they are multiples of 4 hours. 4 colors to differentiate the time zones - that conform to the time bands of 1 hour = meridians of 15º.
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