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  2. Hour - Wikipedia

    en.wikipedia.org/wiki/Hour

    Hours on a 24-hour clock ("military time") are expressed as "hundred" or "hundred hours". [7] (1000 is read "ten hundred" or "ten hundred hours"; 10 pm would be "twenty-two hundred".) Fifteen and thirty minutes past the hour is expressed as "a quarter past" or "after" [8] and "half past", respectively, from their fraction of the hour. Fifteen ...

  3. High availability - Wikipedia

    en.wikipedia.org/wiki/High_availability

    Variants can be derived by multiplying or dividing by 10: 4 nines is 50 minutes and 3 nines is 500 minutes. In the opposite direction, 6 nines is 0.5 minutes (30 sec) and 7 nines is 3 seconds. "Powers of 10" trick

  4. Decimal time - Wikipedia

    en.wikipedia.org/wiki/Decimal_time

    Units were either written out in full, or abbreviated. Thus, five hours eighty three minutes decimal might be written as 5 h. 83 m. Even today, "h" is commonly used in France to separate hours and minutes of 24-hour time, instead of a colon, such as 14h00. Midnight was represented in civil records as "ten hours".

  5. The Truth About Whether 7 Hours of Sleep Is Enough ... - AOL

    www.aol.com/truth-whether-7-hours-sleep...

    12-16 hours (including naps) Toddler. 1-2 years. 11-14 hours (including naps) ... 7-9 hours. Adult. 65+ years. 7-8 hours. ... Fifteen minutes with of chatting with your doctor to get seven high ...

  6. 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

  7. Hexadecimal time - Wikipedia

    en.wikipedia.org/wiki/Hexadecimal_time

    The day is divided into 10 16 (16 10) hexadecimal hours, each hour into 100 16 (256 10) hexadecimal minutes, and each minute into 10 16 (16 10) hexadecimal seconds. History [ edit ]

  8. Why Is 7-Eleven Open 24 Hours If It’s Called “7 ... - AOL

    www.aol.com/why-7-eleven-open-24-155201567.html

    The post Why Is 7-Eleven Open 24 Hours If It’s Called “7-Eleven”? appeared first on Reader's Digest. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290 ...

  9. 24-hour clock - Wikipedia

    en.wikipedia.org/wiki/24-hour_clock

    The modern 24-hour clock is the convention of timekeeping in which the day runs from midnight to midnight and is divided into 24 hours. This is indicated by the hours (and minutes) passed since midnight, from 00(:00) to 23(:59), with 24(:00) as an option to indicate the end of the day.