starting time vs outset

starting time and outset both are nouns.

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

As nouns, starting time and outset are synonyms defined as:

starting time and outset: the time at which something is supposed to begin

Other synonyms of starting time include beginning, commencement, first, get-go, kickoff, offset, showtime, start.

starting time (noun)	outset (noun)
the time at which something is supposed to begin	the time at which something is supposed to begin