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  2. Angular diameter - Wikipedia

    en.wikipedia.org/wiki/Angular_diameter

    60 arc-minutes (′) in one degree; 60 arc-seconds (″) in one arc-minute; To put this in perspective, the full Moon as viewed from Earth is about 1 ⁄ 2 °, or 30 ′ (or 1800″). The Moon's motion across the sky can be measured in angular size: approximately 15° every hour, or 15″ per second.

  3. The average 5K time depends on a few factors, including age, sex, and fitness level. But, you can expect to finish a 5K in roughly 30 to 40 minutes.

  4. Timekeeping on Mars - Wikipedia

    en.wikipedia.org/wiki/Timekeeping_on_Mars

    TT can be computed from UTC by first adding the difference TAI − UTC, which is a positive integer number of seconds occasionally updated by the introduction of leap seconds (see current number of leap seconds), then adding the constant difference TT − TAI = 32.184 s.

  5. ISO 8601 - Wikipedia

    en.wikipedia.org/wiki/ISO_8601

    ISO 8601 is an international standard covering the worldwide exchange and communication of date and time-related data.It is maintained by the International Organization for Standardization (ISO) and was first published in 1988, with updates in 1991, 2000, 2004, and 2019, and an amendment in 2022. [1]

  6. Longitude by chronometer - Wikipedia

    en.wikipedia.org/wiki/Longitude_by_chronometer

    To determine "longitude by chronometer," a navigator requires a chronometer set to the local time at the Prime Meridian. Local time at the Prime Meridian has historically been called Greenwich Mean Time (GMT), but now, due to international sensitivities, has been renamed as Coordinated Universal Time (UTC), and is known colloquially as "zulu time".

  7. Traditional Chinese timekeeping - Wikipedia

    en.wikipedia.org/wiki/Traditional_Chinese...

    According to this text, niàn is the smallest unit of time at 18 milliseconds and a shùn is 360 milliseconds. [8] It also describes larger units of time, including a tánzhǐ which is 7.2 seconds long, a luóyù which is 2 minutes 24 seconds long, and a xūyú , which is 1 ⁄ 30 of a day at 48 minutes long. [c]

  8. Casio CA-53W - Wikipedia

    en.wikipedia.org/wiki/Casio_CA-53W

    The Casio CA-53W is a digital calculator watch manufactured by the Japanese electronics company Casio and was introduced in 1988 [1] as a successor to the CA-50. It became famous for its appearance in the American science fiction films Back to the Future Part II (1989) and Back to the Future Part III (1990) [2] and later for appearing in the American TV series Breaking Bad (2008–2013).

  9. Activated Partial Thromboplastin Time (APTT) Test - WebMD

    www.webmd.com/a-to-z-guides/partial...

    A partial thromboplastin time test tells you how long it takes your blood to clot. ... This test is a basic blood draw and takes just a few minutes. A lab tech will: ... but they add a substance ...