Million years ago
Unit of time equal to 1,000,000 years / From Wikipedia, the free encyclopedia
For the Adele song, see Million Years Ago (song). For 1,000,000 BC, see one million (disambiguation).
"Myr" redirects here. For other uses, see Myr (disambiguation).
Million years ago, abbreviated as Mya, Myr (megayear) or Ma (megaannum), is a unit of time equal to 1,000,000 years (i.e. 1×106 years), or approximately 31.6 teraseconds.