starting point vs starting time

starting point and starting time both are nouns.

Word	Noun	Adjective	Verb	Adverb
starting point	Yes	No	No	No
starting time	Yes	No	No	No

As nouns, starting time is a hypernym of starting point; that is, starting time is a word with a broader meaning than starting point:

Other hypernyms of starting point include beginning, commencement, first, get-go, kickoff, offset, outset, showtime, start.

starting point (noun)	starting time (noun)
earliest limiting point	the time at which something is supposed to begin