Human time on Earth is divided up into relevant cultural traditions based on material, such as the Paleolithic and the Neolithic, of particular use in archaeology.
hjˈuːmən tˈaɪm ˌɔn ˈɜːθ ɪz dᵻvˈaɪdᵻd ˌʌp ˌɪntʊ ɹˈɛlᵻvənt kˈʌltʃɚɹəl tɹɐdˈɪʃənz bˈeɪst ˌɔn mətˈɪɹiəl, sˈʌtʃ ɐz ðə pˌeɪliːoʊlˈɪθɪk ænd ðə nˌiːoʊlˈɪθɪk, ʌv pɚtˈɪkjʊlɚ jˈuːs ɪn ˌɑːɹkiːˈɑːlədʒi.