Önwa mbu 31
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Àtụ:Calendar/Sun1stMonthStartSon
Önwa mbu 31 bu ubochi nke 31th (iri ato na otu) na onwa ana kpo January ma na afo nile. Na Gregorian calender, anyi nwere agugu ubochi 334 (335 na afo nke ana-kpo leap-year) du mgbe afo na agwu.
