12:00:00 am4,540 million years ago
The Earth is born
The dust and rocks circling the young Sun come together into a planet of molten rock.
See it in the documentaryTimelines
Earth in 24 hours
If Earth's 4.54 billion years fitted into a single day, what time would everything arrive? Move the clock and find out.
12:00:00 am
4,540 million years ago
- Hadean
- Archean
- Proterozoic
- Phanerozoic
Every moment
How it works
The 24 hours stand for 4.54 billion years: each hour is 189 million years, each minute 3.15 million and each second about 52,500 years. The ages come from the documentary's sources. The oldest dates are estimates and carry their own margin of error.