The estimations offered by scholars as to when Proto-Afroasiatic was spoken vary widely, ranging from 18,000BCE to 8,000BCE.
ðɪ ˌɛstᵻmˈeɪʃənz ˈɔfɚd baɪ skˈɑːlɚz æz tə wɛn pɹˈoʊɾoʊˌæfɹoʊˌeɪsɪˈæɾɪk wʌz spˈoʊkən vˈɛɹi wˈaɪdli, ɹˈeɪndʒɪŋ fɹʌm ˈeɪtiːn,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ bˌiːsˌiːˈiː tʊ ˈeɪt,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ bˌiːsˌiːˈiː.