coordinated mars time wikipedia - EAS

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  1. Airy Mean Time

    Coordinated Mars Time The standard time as kept on the planet Mars. It is generally equivalent to Airy Mean Time, which is determined on the prime meridian of Mars, that passes through the crater Airy-0.
    en.wiktionary.org/wiki/Coordinated_Mars_Time
    en.wiktionary.org/wiki/Coordinated_Mars_Time
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    What is co-coordinated Mars time?
    Coordinated Mars Time(or MTC) is like UTC but for Mars. Because it is just a mean time, it can be calculated directly from the Mars Sol Date as follows: MTC = (24 h × MSD) mod 24 Mars Mean Anomaly The mean anomaly is a measure of where an orbiting body is in its orbit.
    What is coordinate time?
    The time specified by the time coordinate is referred to as coordinate time to distinguish it from proper time .
    en.wikipedia.org/wiki/Coordinate_time
    What is the starting point of the Mars sol date?
    At midnight on the 6th January 2000 (ΔtJ2000= 4.5) it was midnight at the Martian prime meridian, so our starting point for Mars Sol Date is ΔtJ2000− 4.5. The length of a Martian day and Earth (Julian) day differ by a ratio of 1.027491252 so we divide by that.
    Is there a live clock on Mars?
    Mars Clock by James Tauber This is a live calculation of the time on Mars including mission times for MSL Curiosity and MER-B Opportunity. Also see my much more recent (and gentle) Orbits Tutorial.
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    https://en.wikipedia.org/wiki/Coordinated_Mars_Time

    Though no standard exists, numerous calendars and other timekeeping approaches have been proposed for the planet Mars. The most commonly seen in the scientific literature denotes the time of year as the number of degrees from the northern vernal equinox, and increasingly there is use of

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    The average length of a Martian sidereal day is 24 h 37 m 22.663 s (88,642.663 seconds based on SI units), and the length of its solar day is 24 h 39 m 35.244 s (88,775.244 seconds). The corresponding values for Earth are

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    A convention used by spacecraft lander projects to date has been to enumerate local solar time using a 24-hour "Mars clock" on which the hours,

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    Definition of year and seasons
    The length of time for Mars to complete one orbit around the Sun is its sidereal year, and is about 686.98 Earth solar days (≈ 1.88 Earth years), or

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    The first known reference to time on Mars appears in Percy Greg's novel Across the Zodiac (1880). The primary, secondary, tertiary, and quaternary divisions of the sol are based on the number

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    When a spacecraft lander begins operations on Mars, the passing Martian days (sols) are tracked using a simple numerical count. The two Viking missions, Mars Phoenix,

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    Long before mission control teams on Earth began scheduling work shifts according to the Martian sol while operating spacecraft on the surface of Mars, it was recognized

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    The Mars Sol Date (MSD) can be computed from the Julian date referred to Terrestrial Time (TT), as
    MSD = (JDTT − 2405522.0028779) / 1.0274912517
    Terrestrial time, however, is not as easily available as

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  4. https://en.wikipedia.org/wiki/Coordinate_time

    In the theory of relativity, it is convenient to express results in terms of a spacetime coordinate system relative to an implied observer. In many coordinate systems, an event is specified by one time coordinate and three spatial coordinates. The time specified by the time coordinate is …

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    • https://en.wikipedia.org/wiki/Coordinated_Universal_Time

      Coordinated Universal Time or UTC is the primary time standard by which the world regulates clocks and time. It is within about 1 second of mean solar

      • Estimated Reading Time: 10 mins
      • https://en.wiktionary.org/wiki/Coordinated_Mars_Time

        Mars Coordinated Time; Proper noun . Coordinated Mars Time. The standard time as kept on the planet Mars. It is generally equivalent to Airy Mean Time, which is determined on the prime

      • Mars Clock by James Tauber

        marsclock.com

        Coordinated Mars Time (or MTC) is like UTC but for Mars. Because it is just a mean time, it can be calculated directly from the Mars Sol Date as follows: MTC = (24 h × MSD) mod 24 Mars

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      • Timekeeping on Mars wiki | TheReaderWiki

        https://thereaderwiki.com/en/Coordinated_Mars_Time/...

        The corresponding values for Earth are currently 23 h 56 m 4.0916 s and 24 h 00 m 00.002 s, respectively, which yields a conversion factor of 1.027 491 2517 Earth days/sol: thus, Mars's …

      • Decimal Time: Mars Time

        www.decimaltime.hynes.net/2012/08/mars-time.html

        AMT is Airy Mean Time, also known as Coordinated Mars Time (MTC), because it is the Local Mean Solar Time at Airy Crater, which marks zero longitude on Mars. MSD is Mars Sol Date, …

      • https://en.wikipedia.org/wiki/Time

        1. A continuous, measurable quantity in which events occur in a sequence proceeding from the past through the present to the future. 2a. An interval separating two points of this quantity; a …

      • https://news.ycombinator.com/item?id=26664361

        Apr 01, 2021 · Coordinated Mars Time (MTC) is an actual thing [1]. The abbreviation follows from UTC, which is abbreviated that way because English speakers wanted CUT (coordinated

      • https://www.tindie.com/products/applemountain/martian-mars-time-clock-kit

        This clock is designed to keep Coordinated Mars Time, which runs about 2.7% slower than Earth time. Wikipedia has a good article which explains Mars timekeeping: …

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