Live cosmic clocks

Everything is older now.

These counters start from source-based age estimates anchored to August 31, 2026 and step forward in one-second increments with JavaScript.

Universe

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years old
Base age: 13.8 billion years
Reference: ESA Planck and NASA Science materials describing the universe as about 13.8 billion years old.
Solar System

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years old
Base age: 4,567,300,000 years
Reference: Connelly et al. dated calcium-aluminum-rich inclusions to 4567.30 ± 0.16 million years, commonly used as the solar system's formation benchmark.
Planet (Earth)

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years old
Base age: 4.54 billion years
Reference: USGS gives the best age for Earth as 4.54 Ga from radiometric dating.
The counters use a tropical year of 365.2422 days and advance from a fixed baseline timestamp of August 31, 2026 at 12:00 AM in America/Phoenix. If you want, I can switch the planet card from Earth to Mars, Jupiter, or another world. Source links: ESA Planck, NASA Universe Overview, Connelly et al. (2012), USGS Age of the Earth.