HOW OLD IS PLANET EARTH?

The picture above is showing what may be the oldest known rocks on Earth, and it's called the Nuvvuagittuq Belt and located on the coast of the Hudson Bay in Northern Quebec, and its date back to 4.28 billion years ago, scientists estimate

Researchers calculated the age of the Earth by dating both the oldest rocks on the planet and meteorites that have been discovered on Earth (meteorites and Earth formed at the same time, when the solar system was forming). They found out that Earth is about 4.54 billion years old.