ESA teams up with Samsung to launch first watch face for our solar system

The European Space Agency (ESA) has teamed up with Samsung to launch the first watch face for our Solar System, called Galaxy Time.

Galaxy Time watch face, a collaboration between Samsung and ESA
Galaxy Time watch face, a collaboration between Samsung and ESA. (Image credit: Samsung)

Galaxy Time is designed to bring a number of exciting features to space fans. It not only displays the time of all eight planets (i.e., Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune) directly on your wrist but also shows their real-time position and exact distances.

Mario Winter, Vice President Marketing Samsung Electronics Germany, said in a statement:

“Together with ESA, one of the largest players in space travel, we have developed a watch face that offers Samsung Galaxy users a new and unique way to explore our Solar System.”

Samsung worked closely with ESA experts to bring maximum accuracy to the Galaxy Time application. ESA helped Samsung with all the solar system facts and stats, including calculating the time on planets with different lengths of day to Earth.

For example, a day on Venus is 243 Earth days long, while a day on Jupiter is only 10 Earth hours long. A detailed list is given below:

Note: A day means the time a planet takes to rotate around its own axis, and a year means the time a planet takes to trip around the sun.

PlanetsHow long a day How long a year
Mercury 59 Earth days88 Earth days
Venus 243 Earth days225 Earth days
Earth 24 hours365 days
Mars24.6 Earth hours687 Earth days
Jupiter 10 Earth hours12 Earth years
Saturn10.7 Earth hours29.5 Earth years
Uranus 17 Earth hours84 Earth years
Neptune16 Earth hours165 Earth years

Galaxy Time features a separate dial for each planet, each with fact-packed screens to swipe between. These show local time on your chosen planet, the number of moons it has, distances from the sun, its seasonal weather, and other detailed information.

ESA hopes that the Galaxy Time app will give people a fresh perspective on our planet and a more direct connection with space.

The new Galaxy Time watch face is available from 31 March 2024 in Germany. Space fans who want to wear their passion for space on their sleeve can find out more from the German Google Play store.

Source: Via ESA

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Ashim Chandra Sarkar founded Space & Telescope in 2022. He holds a M.Sc. in physics and has five years of research experience in optical astronomy. His passion for astronomy inspired him to open this website. He is responsible for the editorial vision of

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