In the United States, time is divided into nine standard time zones covering the states, territories and other US possessions, with most of the country...

the United States observes daylight saving time (DST), the practice of setting the clock forward by one hour when there is longer daylight during the...

The history of standard time in the United States began November 18, 1883, when United States and Canadian railroads instituted standard time in time...

In this list of presidents of the United States by age, the first table charts the age of each president of the United States at the time of presidential...

("fall back"). The Uniform Time Act of 1966 formalized the specification of time zones and the dates of DST observation in the United States. Prior to this...

Date and time notation in the United States differs from that used in nearly all other countries. It is inherited from one historical branch of conventions...

presidents of the United States by time in office. The listed number of days is calculated as the difference between dates, which counts the number of calendar...

The United States of America is a federal republic consisting of 50 states, a federal district (Washington, D.C., the capital city of the United States)...

The term "United States," when used in the geographical sense, refers to the contiguous United States (sometimes referred to as the Lower 48, including...

The history of the lands that became the United States began with the arrival of the first people in the Americas around 15,000 BC. Numerous indigenous...

The president of the United States is the head of state and head of government of the United States, indirectly elected to a four-year term via the Electoral...

list of vice presidents of the United States by time in office. The basis of the list is the difference between dates. The length of a full four-year...

In the United States, freedom of speech and expression is strongly protected from government restrictions by the First Amendment to the U.S. Constitution...

The United States of America (USA or U.S.A.), commonly known as the United States (US or U.S.) or America, is a country primarily located in North America...

The United Kingdom uses Greenwich Mean Time (also known as Western European Time or UTC) and British Summer Time (UTC+01:00) (also known as Western European...

The second gentleman or second lady of the United States (SGOTUS or SLOTUS) is the informal title held by the spouse of the vice president of the United...

In the United States, education is provided in public and private schools and by individuals through homeschooling. State governments set overall educational...

Senate and the House of Representatives—since its establishment as the bicameral legislature of the Federal government of the United States in 1789. Political...

Religion in the United States is both widespread and diverse, with higher reported levels of belief than other wealthy Western nations. Polls indicate...

example (in the United States), from 8:00 p.m. to 11:00 p.m. (Eastern and Pacific Time) or 7:00 p.m. to 10:00 p.m. (Central and Mountain Time). In India...

The Eastern Time Zone (ET) is a time zone encompassing part or all of 23 states in the eastern part of the United States, parts of eastern Canada, and...

The United States has a racially and ethnically diverse population. At the federal level, race and ethnicity have been categorized separately. The most...

Conservatism in the United States is based on a belief in individualism, traditionalism, republicanism, and limited federal governmental power in relation...

recorded in the United States since its founding and has fluctuated significantly over time. Most available data underestimate crime before the 1930s (due...

in the United States are among the most advanced in the world, with public opinion and jurisprudence changing significantly since the late 1980s. In 1962...

passed in most Northern states and a movement developed to abolish slavery. The role of slavery under the United States Constitution (1789) was the most...

The chief justice of the United States is the chief judge of the Supreme Court of the United States and is the highest-ranking officer of the U.S. federal...

The Third Amendment (Amendment III) to the United States Constitution places restrictions on the quartering of soldiers in private homes without the owner's...

The Democratic Party is one of the two major contemporary political parties in the United States. Since the late 1850s, its main political rival has been...

In the United States, military conscription, commonly known as the draft, has been employed by the U.S. federal government in six conflicts: the American...