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    Current Planets
    20-Oct-2017, 18:30 UT/GMT
    Sun2733'20"10s36
    Moon846'52"9s46
    Mercury533'10"13s33
    Venus753' 8"1s43
    Mars2844'12"1n34
    Jupiter212'46"11s17
    Saturn2337'21"22s16
    Uranus2628'51"r9n39
    Neptune1145'33"r8s01
    Pluto1658'27"21s47
    TrueNode2156'46"r14n11
    Chiron2513' 3"r1n43
    Explanations of the symbols
    Chart of the moment
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Frequently asked questions

Swiss Ephemeris > Printable Ephemeris

  1. What is the difference between GMT and UT?

    There is no difference between GMT (Greenwich Mean Time) and UT (Universal Time), GMT is just an older name.

  2. What does Delta T = [number] mean?

    Delta T indicates the difference between UT and TDT (Terrestrial Dynamic Time), which used to be called 'Ephemeris time' in the last century. While UT is not a uniform time scale (it is occasionally adjusted, due to irregularities in the Earth's rotation), TDT is a uniform time scale which is needed as an argument for mathematical theories of celestial movements.

  3. Do you offer a printable sidereal ephemeris?

    Yes, we have. You can create one for any time period you like.

    Please go to extended chart selection, ephemeris.



    Select the type of ephemeris, the start year and the zodiac.

    In the screen shot:
    ephemeris for 10 years,
    start date 2016,
    zodiac Hindu/Lahiri

    You get a PDF file which you can save on your computer.
     
  4. Trying to access one of the ephemerides for new planets / asteroids, the page gets stuck. Why is that?

    This is most likely a bug in the Internet Explorer. It displays long text data tables very slowly. You may have to wait up to 3 minutes for the page to display, and it finally will.

 

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