ローマのラレンタリアの祭りは12月23日に行われたが、アウグストゥスによって年に2回行うよう命じられた。人々は、煙突の角に住むと考えられていたラレス(家屋で崇拝され、家族の守り神とされる神々の一種)に敬意を表した<ref name="Rees1819">Abraham Rees, The Cyclopædia: Or, Universal Dictionary of Arts, Sciences, and Literature, https://books.google.com/books?id=rvH8ra5JriwC&pg=PP313, 1819, Longman, Hurst, Rees, Orme & Brown|pages=313–</ref>。 The [[Roman festival]] of '''Larentalia''' was held on 23 December but was ordered to be observed twice a year by [[Augustus]]; by some supposed to be in honour of the [[Lares]], a kind of domestic ''genii'', or divinities, worshipped in houses, and esteemed the guardians and protectors of families, supposed to reside in chimney-corners.<ref name="Rees1819">{{cite book|author=Abraham Rees|title=The Cyclopædia: Or, Universal Dictionary of Arts, Sciences, and Literature|url=https://books.google.com/books?id=rvH8ra5JriwC&pg=PP313|year=1819|publisher=Longman, Hurst, Rees, Orme & Brown|pages=313–}}</ref> Others have attributed this feast in honour of [[Acca Larentia]], the nurse of [[Romulus]] and [[Remus]], and wife of [[Faustulus]].<ref name="Belier1991">{{cite book|author=Wouter W. Belier|title=Decayed Gods: Origin and Development of Georges Dumézil's "Idéologie Tripartie"|url=https://books.google.com/books?id=Hs3BpWur0_4C&pg=PA91|year=1991|publisher=BRILL|isbn=90-04-09487-3|pages=91–}}</ref>
During this festival, offerings were made to the dead, usually at altars dedicated to Acca Larentia.<ref name="Palmer1970">{{cite book|author=Robert E. A. Palmer|title=The Archaic Community of the Romans|url=https://archive.org/details/archaiccommunity0000palm|url-access=registration|date=2 October 1970|publisher=Cambridge University Press|isbn=978-0-521-07702-6|pages=[https://archive.org/details/archaiccommunity0000palm/page/113 113]–}}</ref> A sacrifice was typically offered on the spot where Acca Larentia is believed to have vanished.<ref>Henderson, Helene, and Thompson, Sue Ellen, ed. “Larentalia.” Holidays, Festivals and Celebrations of the World Dictionary. Vol. 2. Detroit: Omnigraphics, 1997.</ref>