DISCUSSION: Spoilers ahead! Something doesn't add up to me in Wonder Woman regarding the timeline in the movie vis a vis BvS backstory and JL info, also long post alert!!!

Okay so i watched the movie today, loved it to bits, i'm not gonna bore you with personal ratings and ranking so right into my doubt ! (i only know how to spoiler tag after posting which i'm gonna do after typing this plus i've said spoilers in the title, YOU WERE WARNED)

So.. Diana is Zeus's daughter with Hippolyta created as the godkiller weapon to kill Ares. The question is.. When?

point 1 : Around 30,000 years ago, the Amazonians, the Atlanteans, and Man successfully fought off Darkseid, no one says anything about greek gods.

point 2 : i have not had it confirmed but i see a general opinion in the sub that the Greek old gods are dead by then (ie 30k yrs ago) and do not participate in said war (voluntarily sitting out seems weird, its a different pantheon invasion on their turf). Else it would be a pretty mismatched fight because all the old gods would definitely be as powerful or vastly more together than one new god darkseid right? So assuming its just amazons atlanteans and humans v darkseid and parademons(humans civilised/organised army and anything other than nomadic groups 30k yrs ago seems a reach but oh well comics )

point 3 : if the gods are killed by Ares before 30k yrs ago, how would a 5000 yr old Diana ( as told by zack i think, anyway all i know is that its established ) be sired by Zeus? unless Hippolyta had a very long pregnancy ;)

point 4 : if zeus sired diana 5000 yrs ago, then the greek gods fought in the "ancient war" in 3000BC ? Then my doubt changes to that i raised in Pt 2, gross mismatch in abilities , nerfing etc (what? our gods are just about good enough versus the alien god? :D )

They'll have to retcon something here right?

TL;DR - Dates Dates Dates when do the gods die? when is diana born? How long does an average amazon require to grow into adulthood?