Synonyms to immovable feast

anniversary, Admission Day, Arbor Day, Armed Forces Day, Armistice Day, Army Day, Bastille Day, Colorado Day, Constitution Day, Decoration Day, Dewali, Discovery Day, Double Ten, Easter Monday, Election Day, Empire Day, Evacuation Day, Flag Day, Foundation Day, Fourth of July, Groundhog Day, Halifax Day, Halloween, Holi, Ides of March, Kuhio Day, Labor Day, Lenin Memorial Day, Loyalty Day, Maryland Day, May Day, Mecklenburg Day, Memorial Day, Midsummer Day, National Aviation Day, Navy Day, Nevada Day, Pan American Day, Pascua Florida Day, Pioneer Day, Remembrance Day, Roosevelt Day, State Day, Texas Independence Day, United Nations Day, V-E Day, Victory Day, West Virginia Day, Wyoming Day, anniversaries, annual holiday, bicentenary, bicentennial, biennial, birthday, bissextile day, celebrating, celebration, centenary, centennial, ceremony, commemoration, decennial, diamond jubilee, dressing ship, fanfare, fanfaronade, festivity, flourish of trumpets, golden wedding anniversary, holiday, holy days, jubilee, leap year, marking the occasion, memorialization, memory, name