13.8

Byte Envision

About this app

13.8 – See Your Place in the Cosmos
How old is the Universe right now? How many years has Earth existed? When did the Sun form? How long has human civilization been around? And how does your own life compare?
13.8 is the beautifully designed live cosmic age counter that shows real-time ages of the Universe, Sun, Earth, planets, Moon, human civilization — and you — updating every second.
✦ Universe – 13.8 billion years and counting
✦ Sun – ≈4.6 billion years
✦ Earth – ≈4.54 billion years
✦ Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Moon – formation ages displayed live
✦ Human Civilization – from the dawn of history (~12,000 years) to today
✦ YOU – your personal age from birthday, shown in your local time zone
Every page features:

Years, days, hours:minutes:seconds.milliseconds ticking in real time
Clean, elegant dark-mode design
Local time awareness for personal & human pages
UTC reference for cosmic bodies
Educational info about planetary days and cosmic timescales
Immersive full-screen experience

Whether you're curious about deep time, want to feel the scale of existence, or simply love watching billions of years pass second by second, 13.8 puts the vast timeline of reality in your pocket.
No ads • No tracking • No account needed • Completely offline • Just pure wonder.
Download 13.8 now and see how brief — yet how connected — our moment in cosmic history really is.

What’s new

13.8