Original: This has been supported by Wilde who has pushed the date of the zircon crystals found in the metamorphosed quartzite of Mount Narryer in Western Australia, previously thought to be 4.1–4.2 Ga, to 4.404 Ga.
Simplified: The date of the zircon crystals found in the metamorphosed quartzite of Mount Narryer in Western Australia, has been pushed to 4.404 billion years.