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  2. 12-hour clock - Wikipedia

    en.wikipedia.org/wiki/12-hour_clock

    The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: a.m. (from Latin ante meridiem, translating to "before midday") and p.m. (from Latin post meridiem, translating to "after midday"). [1] [2] Each period consists of 12 hours numbered: 12 (acting as 0), [3] 1, 2, 3, 4

  3. 24-hour clock - Wikipedia

    en.wikipedia.org/wiki/24-hour_clock

    A time of day is written in the 24-hour notation in the form hh:mm (for example 01:23) or hh:mm:ss (for example, 01:23:45), where hh (00 to 23) is the number of full hours that have passed since midnight, mm (00 to 59) is the number of full minutes that have passed since the last full hour, and ss (00 to 59) is the number of seconds since the ...

  4. Roman timekeeping - Wikipedia

    en.wikipedia.org/wiki/Roman_timekeeping

    The daytime canonical hours of the Catholic Church take their names from the Roman clock: the prime, terce, sext and none occur during the first (prīma) = 6 am, third (tertia) = 9 am, sixth (sexta) = 12 pm, and ninth (nōna) = 3 pm, hours of the day. The English term noon is also derived from the ninth hour.

  5. Hour - Wikipedia

    en.wikipedia.org/wiki/Hour

    An hour (symbol: h; [1] also abbreviated hr) is a unit of time historically reckoned as 1 ⁄ 24 of a day and defined contemporarily as exactly 3,600 seconds . There are 60 minutes in an hour, and 24 hours in a day. The hour was initially established in the ancient Near East as a variable measure of 1 ⁄ 12 of the night or daytime.

  6. Day - Wikipedia

    en.wikipedia.org/wiki/Day

    Besides the day of 24 hours (86,400 seconds), the word day is used for several different spans of time based on the rotation of the Earth around its axis. An important one is the solar day, the time it takes for the Sun to return to its culmination point (its highest point in the sky). Due to an orbit's eccentricity, the Sun resides in one of ...

  7. Waking at the same time each night reveals details ... - AOL

    www.aol.com/article/2016/07/14/waking-at-the...

    Between the hours of 1 and 3 in the morning is when the body cleans itself out, removing waste materials from the blood and other tissues. Your liver is the big organ in charge of detoxing, and so ...

  8. “I Can’t Believe They Were Doing That At Work”: 45 Of The ...

    www.aol.com/lifestyle/t-believe-were-doing-45...

    Image credits: ForeverIdiosyncratic #2. My work let me take two hours out of my day once a week for weeks to play D&D with coworkers. Probably about 40 people participated across all the groups.

  9. Date and time representation by country - Wikipedia

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

    The little-endian format (day, month, year; 1 June 2022) is the most popular format worldwide, followed by the big-endian format (year, month, day; 2006 June 1). Dates may be written partly in Roman numerals (i.e. the month) [citation needed] or written out partly or completely in words in the local language.