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  2. Greenwich Time Signal - Wikipedia

    en.wikipedia.org/wiki/Greenwich_Time_Signal

    China – China National Radio and all local radio stations use a similar 6-pip time signal on the hour. 5 short lower-pitched (0.25 s, 800 Hz) pips are played to count down the final 5 seconds of the old hour, and a longer, higher-pitched (0.5 s, 1600 Hz) pip is played to mark the beginning of the new hour. [citation needed]

  3. Orders of magnitude (time) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(time)

    single seconds (1 das = 10 s) 6 das: One minute (min), the time it takes a second hand to cycle around a clock face 10 2: hectosecond hs minutes (1 hs = 1 min 40 s = 100 s) 2 hs (3 min 20 s): The average length of the most popular YouTube videos as of January 2017 [15] 5.55 hs (9 min 12 s): The longest videos in the above study

  4. IRIG timecode - Wikipedia

    en.wikipedia.org/wiki/IRIG_timecode

    IRIG J-1 timecode consists of 15 characters (150 bit times), sent once per second at a baud rate of 300 or greater: <SOH>DDD:HH:MM:SS<CR><LF>. SOH is the ASCII "start of header" code, with binary value 0x01. DDD is the ordinal date (day of year), from 1 to 366. HH, MM and SS are the time of the start bit.

  5. Trent Tucker Rule - Wikipedia

    en.wikipedia.org/wiki/Trent_Tucker_Rule

    Trent Tucker Rule. The Trent Tucker Rule is a basketball rule that disallows any regular shot to be taken on the court if the ball is put into play with under 0.3 seconds left in game or shot clock. The rule was adopted in the 1990–91 NBA season and named after New York Knicks player Trent Tucker, and officially adopted in FIBA play starting ...

  6. Comparison of YouTube downloaders - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_YouTube_down...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  7. Seconds pendulum - Wikipedia

    en.wikipedia.org/wiki/Seconds_pendulum

    Seconds pendulum. A simple pendulum exhibits approximately simple harmonic motion under the conditions of no damping and small amplitude. A seconds pendulum is a pendulum whose period is precisely two seconds; one second for a swing in one direction and one second for the return swing, a frequency of 0.5 Hz. [ 1 ]

  8. Quartz clock - Wikipedia

    en.wikipedia.org/wiki/Quartz_clock

    Standard-quality 32 768 Hz resonators of this type are warranted to have a long-term accuracy of about six parts per million (0.0006%) at 31 °C (87.8 °F): that is, a typical quartz clock or wristwatch will gain or lose 15 seconds per 30 days (within a normal temperature range of 5 to 35 °C or 41 to 95 °F) or less than a half second clock ...

  9. New Year's Eve - Wikipedia

    en.wikipedia.org/wiki/New_Year's_Eve

    The countdown is now broadcast live on Government television from Putrajaya and the Broadcasting Centre in which the concert is held and fireworks are displayed at the Petronas Towers. There are New Year countdown parties in major cities such as George Town, Shah Alam and Kuching, typically organized by the private sector in these cities. [37] [38]