Candlemas vs Candlemas Day

Candlemas and Candlemas Day both are nouns.

Word	Noun	Adjective	Verb	Adverb
Candlemas	Yes	No	No	No
Candlemas Day	Yes	No	No	No

As nouns, Candlemas and Candlemas Day are synonyms defined as:

Candlemas and Candlemas Day: feast day commemorating the presentation of Christ in the temple; a quarter day in Scotland

Other synonyms of Candlemas include Feb 2.

Candlemas (noun)	Candlemas Day (noun)
feast day commemorating the presentation of Christ in the temple; a quarter day in Scotland	feast day commemorating the presentation of Christ in the temple; a quarter day in Scotland