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  2. Military time zone - Wikipedia

    en.wikipedia.org/wiki/Military_time_zone

    The military time zones are a standardized, uniform set of time zones for expressing time across different regions of the world, named after the NATO phonetic alphabet. The Zulu time zone (Z) is equivalent to Coordinated Universal Time (UTC) and is often referred to as the military time zone. The military time zone system ensures clear ...

  3. 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 ...

  4. Coordinated Universal Time - Wikipedia

    en.wikipedia.org/wiki/Coordinated_Universal_Time

    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. UTC facilitates international communication, navigation, scientific research, and commerce. UTC has been widely embraced by most countries and ...

  5. List of time zone abbreviations - Wikipedia

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

    Such designations can be ambiguous; for example, "CST" can mean China Standard Time (UTC+8), Cuba Standard Time (UTC−5), and (North American) Central Standard Time (UTC−6), and it is also a widely used variant of ACST (Australian Central Standard Time, UTC+9:30). Such designations predate both ISO 8601 and the internet era; in an earlier ...

  6. Date and time notation in the United States - Wikipedia

    en.wikipedia.org/wiki/Date_and_time_notation_in...

    In traditional American usage, dates are written in the month–day–year order (e.g. September 17, 2024) with a comma before and after the year if it is not at the end of a sentence [2] and time in 12-hour notation (11:47 am). International date and time formats typically follow the ISO 8601 format (2024-09-17) for all-numeric dates, [3 ...

  7. UTC−04:00 - Wikipedia

    en.wikipedia.org/wiki/UTC%E2%88%9204:00

    UTC−2. (BRT+1) UTC−04:00 is an identifier for a time offset from UTC of −04:00. It is observed in the Eastern Time Zone (e.g., in Canada and the United States) during the warm months of daylight saving time, as Eastern Daylight Time. The Atlantic Time Zone observes it during standard time (cold months). It is observed all year in the ...

  8. Time synchronization in North America - Wikipedia

    en.wikipedia.org/wiki/Time_synchronization_in...

    Time synchronization in North America can be achieved with many different methods, some of which require only a telephone, while others require expensive, sensitive, and rare electronic equipment. In the United States, the United States Naval Observatory provides the standard of time, called UTC (USNO), for the United States military and the ...

  9. Eastern Time Zone - Wikipedia

    en.wikipedia.org/wiki/Eastern_Time_Zone

    Current time. 17:52, 10 September 2024 EST [refresh] 18:52, 10 September 2024 EDT [refresh] Observance of DST. DST is observed in parts of this time zone. 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 state of Quintana Roo in Mexico.