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Coordinated Universal Time (UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones.
Date and time representation by country Different conventions exist around the world for date and time representation, both written and spoken.
Universal Time Universal Time (UT or UT1) is a time standard based on Earth's rotation. [1] While originally it was mean solar time at 0° longitude, precise measurements of the Sun are difficult.
International date and time formats typically follow the ISO 8601 format (2024-09-21) for all-numeric dates, [3] write the time using the 24-hour clock (08:21), [4] and notate the date using a day–month–year format (21 September 2024). [5] These forms are increasingly common in American professional, academic, technological, military, and other internationally oriented environments.
Wikipedia:Current date and time - Wikipedia. Wikipedia:Current date and time. "WP:TODAY" redirects here. For the guideline on wording like "today" and "recently", see Wikipedia:Manual of Style/Words to watch § Relative time references. Today is Wednesday, August 14, 2024. The time is 11:14 (UTC). ( refresh )
That is, the time on the Clock is not to be interpreted as actual time. A hypothetical global catastrophe is represented by midnight on the Clock, with the Bulletin' s opinion on how close the world is to one represented by a certain number of minutes or seconds to midnight, which is then assessed in January of each year.
The history of standard time in the United States began November 18, 1883, when United States and Canadian railroads instituted standard time in time zones. Before then, time of day was a local matter, and most cities and towns used some form of local solar time, maintained by some well-known clock (for example, on a church steeple or in a ...
Time 24 hour time notation is used officially and for purposes that require precision like announcements in the media. In colloquial speech, the 12 hour clock is also used in some places / countries. [citation needed]