31 Jenụwarị bu ubochi nke 31st (nke iri atọ na out) na onwa ana kpo Jenụwarị. Na Gregorian calender, 31 Jenụwarị bu ubochi nke 31st na afo. Anyi nwere agugu ubochi 334 (335 na afo nke ana-kpo leap-year) du mgbe afo na agwu.
Ihe mere na 31 Jenụwarị
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