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  2. List of time zone abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_time_zone...

    CLT: Chile Standard Time: UTC−04: COST: Colombia Summer Time: UTC−04: COT: ... International Date Line West time zone UTC−12: IDT: Israel Daylight Time: UTC+03 ...

  3. Time in Chile - Wikipedia

    en.wikipedia.org/wiki/Time_in_Chile

    The time zone Chile Standard Time (CLT) was used on the mainland with the offset UTC−04:00 and Easter Island Standard Time (EAST) was used on Easter Island with the offset UTC−06:00. On March 1, 1894, the first official time signal operates in Valparaiso at -4 hours, 46 minutes and 34 seconds with respect to GMT , as UTC did not exist.

  4. Classic Learning Test - Wikipedia

    en.wikipedia.org/wiki/Classic_Learning_Test

    The Classic Learning Test (or CLT) is a standardized test developed by Classic Learning Initiatives in 2015. The company is based in Annapolis, Maryland, and its CEO is Jeremy Tate. [1] Designed as an alternative to other standardized tests such as the SAT and ACT, [2] the test assesses reading, grammar, writing, and mathematics.

  5. Charlotte Douglas International Airport - Wikipedia

    en.wikipedia.org/wiki/Charlotte_Douglas...

    In 1982 the airport was renamed again, this time to its current Charlotte Douglas International Airport. [6] In 2019, CLT was the 11th-busiest airport in the United States in terms of passenger traffic, having processed over 50 million passengers, [7] and fifth-busiest in terms of aircraft operations, ranking sixth globally. [8]

  6. Date and time representation by country - Wikipedia

    en.wikipedia.org/wiki/Date_and_time...

    ISO 8601. International standard ISO 8601 (Representation of dates and times) defines unambiguous written all-numeric big-endian formats for dates, such as 2022-12-31 for 31 December 2022, and time, such as 23:59:58 for 23 hours, 59 minutes, and 58 seconds. These standard notations have been adopted by many countries as a national standard, e.g ...

  7. Central limit theorem - Wikipedia

    en.wikipedia.org/wiki/Central_limit_theorem

    The scaled sum of a sequence of i.i.d. random variables with finite positive variance converges in distribution to the normal distribution. In probability theory, the central limit theorem (CLT) states that, under appropriate conditions, the distribution of a normalized version of the sample mean converges to a standard normal distribution.

  8. List of UTC offsets - Wikipedia

    en.wikipedia.org/wiki/List_of_UTC_offsets

    This is a list of the UTC time offsets, showing the difference in hours and minutes from Coordinated Universal Time (UTC), from the westernmost (−12:00) to the easternmost (+14:00). It includes countries and regions that observe them during standard time or year-round. The main purpose of this page is to list the current standard time offsets ...

  9. ISO 8601 - Wikipedia

    en.wikipedia.org/wiki/ISO_8601

    ISO 8601 is an international standard covering the worldwide exchange and communication of date and time -related data. It is maintained by the International Organization for Standardization (ISO) and was first published in 1988, with updates in 1991, 2000, 2004, and 2019, and an amendment in 2022. [1] The standard provides a well-defined ...