Recent, new, primal, initial, punctual, prompt, unexpected, shortly, directly, presently, without delay, immediately, instantly...
One synonym for early is premature.
Synonyms for early (before a scheduled time) include oversoon or premature. Synonyms for early (first stages) include initial, new, primal, preliminary, or young.
10:00 a.M.
old, early, primal, elderly, remote, primeval
in good time, beforehand, in advance, too soon, ahead of time, premature, initial, ahead of schedule
They are synonyms.
Synonyms
beginning, first, initial, ancient, antediluvian, primitive, precocious, premature, untimely, ahead, beforehand, and betimes
Relative and kin are synonyms.
They are synonyms.
synonyms
The synonyms for upon is on