II.2 The Observances Act of 7531 (VI ACG 3)

Article One. Observances. The following Festive Occasions shall be observed with all due traditional solemnity and celebration throughout these Realms:

Yestare, New Year's Day, commemorating the fall of Sauron the Great;

The Sixth of Lothron, commemorating the Crowning of Elessar I Telcontar;

The Thirtieth of Norui, commemorating King Elessar's discovery of the White Tree;

The Seventh of Cerveth, commemorating the Marriage of King Elessar I and Queen Arwen Undomiel;

The Thirtieth of Ivanneth, Cormare, commemorating the Birthdays of Bilbo and Frodo Baggins of the Shire;

Ende I, Loende, and Ende II, the Midyear Festival;

The Eighth of Gwaeron, commemorating the birth of King Elessar I Telcontar;

Mettare, the Year's End.

[For the full calendar as a spreadsheet, see here.]