halcyon vs golden

halcyon is a noun but golden is not a noun.

Word	Noun	Adjective	Verb	Adverb
halcyon	Yes	Yes	No	No
golden	No	Yes	No	No

As adjectives, halcyon and golden are synonyms defined as:

Other synonyms of halcyon include prosperous.

halcyon (noun)	golden (noun)
a mythical bird said to breed at the time of the winter solstice in a nest floating on the sea and to have the power of calming the winds and waves

halcyon (adjective)	golden (adjective)
marked by peace and prosperity	supremely favored
idyllically calm and peaceful; suggesting happy tranquillity	having the deep slightly brownish color of gold
	marked by peace and prosperity
	made from or covered with gold
	suggestive of gold
	presaging or likely to bring good luck or a good outcome