date vs twenty-four hour period

date and twenty-four hour period both are nouns.

Word	Noun	Adjective	Verb	Adverb
date	Yes	No	Yes	No
twenty-four hour period	Yes	No	No	No

As nouns, twenty-four hour period is a hypernym of date; that is, twenty-four hour period is a word with a broader meaning than date:

date: the specified day of the month
twenty-four hour period: time for Earth to make a complete rotation on its axis

Other hypernyms of date include 24-hour interval, day, mean solar day, solar day, twenty-four hours.

As nouns, twenty-four hour period is a hypernym of date; that is, twenty-four hour period is a word with a broader meaning than date:

date: a particular day specified as the time something happens
twenty-four hour period: time for Earth to make a complete rotation on its axis

Other hypernyms of date include 24-hour interval, day, mean solar day, solar day, twenty-four hours.

date (noun)	twenty-four hour period (noun)
sweet edible fruit of the date palm with a single long woody seed	time for Earth to make a complete rotation on its axis
a meeting arranged in advance
a participant in a date
the specified day of the month
the present
the particular day, month, or year (usually according to the Gregorian calendar) that an event occurred
a particular day specified as the time something happens

date (verb)	twenty-four hour period (verb)
assign a date to; determine the (probable) date of
provide with a dateline; mark with a date
stamp with a date
go on a date with
date regularly; have a steady relationship with