// place in the universe

Your Place in the Universe

Where was Earth in its orbit on the day you were born? How far was it from the Sun? Which planets and stars were shining above your city at sunset? Enter a date and a place: the numbers are actually calculated, not made up.

Earth-Sun distance
0
million km
 
The Moon was
🌙
 
 

Above your city at sunset on day X

     
    // how it works

    Three steps

    1

    Date and city

    Enter your date of birth and pick the Italian city to look at the sky from.

    2

    Astronomical calculation

    We actually calculate Earth's position in its orbit, its distance from the Sun, the phase of the Moon and what was visible above you.

    3

    Share the cosmos

    Generate a cosmic image ready for WhatsApp or Instagram with your place in the universe.

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    // frequently asked questions

    Frequently asked questions

    What does this tool calculate?

    From your date of birth it calculates where Earth was in its orbit, how far it was from the Sun in millions of kilometers and the phase of the Moon. Then it shows the planets and the brightest stars visible above the city you choose, at sunset on that day.

    Do I need my time of birth? Can I choose any city?

    You don't need the time: the date and the city are enough, because the sky is calculated for sunset on that day. The available cities are Italy's provincial capitals; if yours isn't there, choose the nearest provincial capital.

    How accurate are the calculations?

    They're real astronomical calculations, done with a simplified model: low-precision J2000 orbital elements following Meeus. They're suitable for distance from the Sun, moon phase and visible planets, but they don't replace professional observatory software.

    Is my date saved? How do I share the result?

    The date is neither saved nor sent to any server: the calculation happens in your browser. With Share you generate an image ready for WhatsApp or Instagram; with Save image you download it. The tool is free and requires no sign-up.

    Done!