Na iguafọ Gregorian, Maachị bu onwa ato na afo, bu otu onwa n'ime asaa nwere ubochi ruru 31 (iri ato na otu). Na mgbe gara-aga, Maachị bula onwa mbu, site na afo nwela onwa iri. Mgbe ekere Jenụwarị na Febrụwarị, Maachị a-da, mee afo nwere onwa iri na abuo. Ubochi nke Nwanyi-nile n'Uwa - 8 Maachị Ides of Maachị - 15 Maachị (oge e buru nwoke eze nke ndi ocha, nke ana-kpo Julius Caesar Friday nk'oma - (n'oyu Friday no n'etiti 20 Maachị ru 23 Eprel)