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  2. Clock angle problem - Wikipedia

    en.wikipedia.org/wiki/Clock_angle_problem

    The time is usually based on a 12-hour clock. A method to solve such problems is to consider the rate of change of the angle in degrees per minute. The hour hand of a normal 12-hour analogue clock turns 360° in 12 hours (720 minutes) or 0.5° per minute. The minute hand rotates through 360° in 60 minutes or 6° per minute. [1]

  3. 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 ... it is common to round the time to the nearest five minutes and/or express the time as ...

  4. Decimal time - Wikipedia

    en.wikipedia.org/wiki/Decimal_time

    One décime is equal to 10 decimal minutes, which is nearly equal to a quarter-hour (15 minutes) in standard time. Thus, "five hours two décimes" equals 5.2 decimal hours, roughly 12:30 p.m. in standard time. [8] [9] One hundredth of a decimal second was a decimal tierce. [10]

  5. Clock face - Wikipedia

    en.wikipedia.org/wiki/Clock_face

    A long minute hand makes one revolution every hour. The face may also include a second hand, which makes one revolution per minute. The term is less commonly used for the time display on digital clocks and watches. A second type of clock face is the 24-hour analog dial, widely used in military and other organizations that use 24-hour time. This ...

  6. Unit of time - Wikipedia

    en.wikipedia.org/wiki/Unit_of_time

    Time unit used for sedimentation rates (usually of proteins). picosecond: 10 −12 s: One trillionth of a second. nanosecond: 10 −9 s: One billionth of a second. Time for molecules to fluoresce. shake: 10 −8 s: 10 nanoseconds, also a casual term for a short period of time. microsecond: 10 −6 s: One millionth of a second. Symbol is μs ...

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Talk:12-hour clock - Wikipedia

    en.wikipedia.org/wiki/Talk:12-hour_clock

    Every digital clock I've ever seen, including embedded systems, follows this de facto convention. If you need to set a clock or alarm to 12:00 on a 12-hour digital clock or embedded system, you better know and use the de facto convention, or you'll get it wrong! And it has never been the case that we switch from am to pm or vice versa at 1:00.

  9. Trump's 8-hour gap: Minute-by-minute during Jan. 6 riot - AOL

    www.aol.com/news/trumps-8-hour-gap-minute...

    There’s a gap in the official White House phone notations given to the House committee investigating the Jan. 6 riot— from about 11 a.m. to about 7 p.m., according to two people familiar with ...