•    
    Posizioni attuali dei pianeti
    21-Feb-2017, 03:29 UT/GMT
    Sole241'13"10s31
    Luna289'48"18s37
    Mercurio2142'44"16s15
    Venere1046'17"8n53
    Marte1742'32"6n52
    Giove2247'36"r7s29
    Saturno2613'53"22s05
    Urano2144'56"7n56
    Nettuno1122' 4"8s05
    Plutone1834'46"21s13
    Nodo vero323'21"r10n16
    Chirone2324' 0"0n53
    Spiegazioni dei simboli
    Carta del momento
| Il Mio Astro | Forum | FAQ

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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