twenty-fourth vs 24th

twenty-fourth and 24th both are adjectives.

Word	Noun	Adjective	Verb	Adverb
twenty-fourth	No	Yes	No	No
24th	No	Yes	No	No

As adjectives, twenty-fourth and 24th are synonyms defined as:

twenty-fourth (adjective)	24th (adjective)
coming next after the twenty-third in position	coming next after the twenty-third in position