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  2. Time in Brazil - Wikipedia

    en.wikipedia.org/wiki/Time_in_Brazil

    Time in Brazil. Time in Brazil, since 25 April 2019. Time in Brazil is calculated using standard time, and the country (including its offshore islands) is divided into four standard time zones: UTC−02:00, UTC−03:00, UTC−04:00 and UTC−05:00. [1]

  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. Time zone - Wikipedia

    en.wikipedia.org/wiki/Time_zone

    Time zones of the world. A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because it is convenient for areas in frequent communication to keep the same time.

  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 Brazil - Wikipedia

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

    01 h 56 min. Date and time notation in Brazil records the date using the day–month–year format (26/08/2024 or 26.08.2024). The country follows the national standard NBR 5892:2019 for date and time. It was originally published in 1989 and updated in 2019. [1][2] In the long format, the day is written as a numeral, followed by the preposition ...

  7. Daylight saving time in Brazil - Wikipedia

    en.wikipedia.org/wiki/Daylight_saving_time_in_Brazil

    Brazil observed daylight saving time (DST) (called horário de verão – "summer time" – in Portuguese) in the years of 1931–1933, 1949–1953, 1963–1968, 1985–2019 and since 2024. Initially it applied to the whole country, but from 1988 it applied only to part of the country, usually the southern regions, where DST is more useful due ...

  8. 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 ...

  9. Standard time - Wikipedia

    en.wikipedia.org/wiki/Standard_time

    Standard time. Standard time is the synchronization of clocks within a geographical region to a single time standard, rather than a local mean time standard. Generally, standard time agrees with the local mean time at some meridian that passes through the region, often near the centre of the region. Historically, standard time was established ...