![]() ![]() Russia on the other hand, is divided into 11 time zones, though at one point this was reduced to 9 time zones. For example, China and India only use a single time zone even though they are countries that encompass far larger an area than 15° of longitude. Generally, a time change of 1 hour is required with each 15° change of longitude, but this does not necessarily always happen. Nepal, the final holdout, did not adopt a standard offset of UTC until 1956, and even then, has a less common offset of UTC+5:45. It wasn't until 1929 before most countries adopted hourly time zones. Time zones throughout the world vary, and used to vary even more than they currently do. Most commonly, UTC is offset by an hour, but in some cases, the offset can be a half-hour or quarter-hour, such as in the case of UTC+06:30 and UTC+12:45. UTC offset can range from UTC-12:00 to UTC+14:00. Generally, time zones are defined as + or - an integer number of hours in relation to UTC for example, UTC-05:00, UTC+08:00, and so on. ![]() UTC breaks time into days, hours, minutes, and seconds, where days are usually defined in terms of the Gregorian calendar. Most time zones that are on land are offset from UTC. ![]() UTC is not dependent on daylight saving time (DST), though some countries switch between time zones during their DST period, such as the United Kingdom using British Summer Time in the summer months. UTC, which is based on highly precise atomic clocks and the Earth's rotation, is the new standard of today. Although GMT used to be a time standard, it is now mainly used as the time zone for certain countries in Africa and Western Europe. Although GMT and Coordinated Universal Time (UTC) essentially reflect the same time, GMT is a time zone, while UTC is a time standard that is used as a basis for civil time and time zones worldwide. Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory located in Greenwich, London, considered to be located at a longitude of zero degrees. They are often based on the boundaries of countries or lines of longitude. Research by the Society for Research on Biological Rhythms found that there are greater advantages to making standard time permanent, as opposed to Daylight Saving Time.Related Time Calculator | Date CalculatorĪ time zone is a region on Earth that uses a uniform time. Last year, there were at least 450 bills considered across state legislatures that would make Daylight Saving Time year-round if a federal law passes.īut as there seems to be a bipartisan push to make this change permanent, some experts say that could harm Americans. “Florida lawmakers have already voted to make daylight saving time permanent in my home state and Congress should pass the Sunshine Protection Act to move Florida and the rest of the country to year-round daylight saving time.” Why not make Daylight Saving Time permanent? Vern Buchanan (R-Fla.) in a press release on March 3. “There are enormous health and economic benefits to making daylight saving time permanent,” said House Rep. The nation was set to observe permanent Daylight Saving Time for two years, but the trial was cut short because parents were worried about early morning traffic accidents when their kids were commuting to school in the winter, per the New York Times. ![]() previously observed year-round Daylight Saving Time from ten months in the 1970s, according to the Washingtonian, to reduce the effect of a national energy crisis. Secretary of Transportation with “detailed information” as to why the change “would serve the convenience of commerce. could make Daylight Saving Time permanent on the national level is if a state or local government were to formally request the U.S. Buchanan did so in the House), but there is no certainty whether it will pass or once again be hindered in Congress. Rubio introduced the Sunshine Protection Act in the Senate (while Rep. The future of Daylight Saving Time remains in limbo. During the remaining third of a year, the United States uses Standard Time. This year it begins on Sunday, March 12, and is set to last until Nov. Only two states do not observe Daylight Saving Time-Hawaii and Arizona. The practice was abolished after the war, but later became standard practice by 1966 after the passage of the Uniform Time Act. Consumerism played an additional role, as Americans were more likely to shop if there was still light out when they left work. Historians trace the origins of this custom to World War I, as countries used the change to save power and fuel. Daylight Saving Time, when clocks move one hour ahead every spring, adds one hour of sunlight to the end of the day. ![]()
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