How Old Is | Earth

While the planet itself is billions of years old, most of the complex life and recorded history we study occurred in the final few "minutes" of its existence.

Sea plants and first multicellular organisms emerge. 11:00 PM: Dinosaurs arrive. 11:40 PM: Dinosaurs go extinct. 11:58 PM: Modern humans (Homo sapiens) appear. how old is earth

The Earth is approximately , with a margin of error of about 50 million years (roughly 1%). How we know While the planet itself is billions of years