at hand vs close at hand

at hand and close at hand both are adjectives.

Word	Noun	Adjective	Verb	Adverb
at hand	No	Yes	No	No
close at hand	No	Yes	No	No

As adjectives, at hand and close at hand are synonyms defined as:

Other synonyms of at hand include imminent, impendent, impending.

As adjectives, at hand and close at hand are synonyms defined as:

at hand (adjective)	close at hand (adjective)
close in time; about to occur	close in space; within reach
close in space; within reach	close in time; about to occur