21 Febrụwarị bu ubochi nke 21st (nke iri abụọ na out) na onwa ana kpo Febrụwarị. Na Gregorian calender, 21 Febrụwarị bu ubochi nke 52nd na afo. Anyi nwere agugu ubochi 313 (314 na afo nke ana-kpo leap-year) du mgbe afo na agwu.