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  1. en.wikipedia.org › wiki › Time_zoneTime zone - Wikipedia

    1 day ago · Each time zone is defined by a standard offset from Coordinated Universal Time (UTC). The offsets range from UTC−12:00 to UTC+14:00, and are usually a whole number of hours, but a few zones are offset by an additional 30 or 45 minutes, such as in India and Nepal.

  2. 21 hours ago · UTC-04 is a time offset that subtracts 4 hours from Coordinated Universal Time (UTC). It is observed in the AMT, AST, BOT, CLT, COST, FKT, GYT, PYT, VET during standard time, and in the CDT, EDT during the other months (Daylight saving time). Some locations use it year-round.

  3. May 21, 2024 · UTC (Coordinated Universal Time) is a standardized time reference used worldwide. It is based on the time at the Prime Meridian and is not affected by daylight saving time. UTC is used for international timekeeping and is the basis for civil time in many countries.

  4. 1 day ago · What time is it UTC? Check exact current time and discover the key facts about Coordinated Universal Time.

  5. en.wikipedia.org › wiki › Atomic_clockAtomic clock - Wikipedia

    2 days ago · An atomic clock is a clock that measures time by monitoring the resonant frequency of atoms. It is based on atoms having different energy levels. Electron states in an atom are associated with different energy levels, and in transitions between such states they interact with a very specific frequency of electromagnetic radiation.

  6. UTC stands for Coordinated Universal Time (in English) or Temps universel coordonné (in French). UTC clocks have no daylight saving time. In countries and territories observing daylight saving time, the offset from UTC is changed twice a year.

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  8. 2 days ago · GMT-4 is 4 hours behind Greenwich Mean Time (GMT). The GMT/UTC minus 4 hours offset is used by quite a few countries in the Caribbean, with no change throughout the year, as no Daylight Saving Time is applied.

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