All red-letter day synonyms

noun red-letter day

• jubilee — the celebration of any of certain anniversaries, as the twenty-fifth (silver jubilee) fiftieth (golden jubilee) or sixtieth or seventy-fifth (diamond jubilee)
• anniversary — An anniversary is a date which is remembered or celebrated because a special event happened on that date in a previous year.
• name day — the feast day of the saint after whom a person is named.
• feast day — a day, especially a church holiday, for feasting and rejoicing.
• long weekend — a weekend holiday extended by a day or days on either side
• holiday — Billie ("Lady Day") 1915–59, U.S. jazz singer.