In case you wanted to have some relative character ages to make age differences in your fics canon-compliant:

General Hux was born up to 4 years before the Battle of Endor, sometime after the Battle of Yavin (”during the last days of the Galactic Empire”)

Poe Dameron was born 2 years before the Battle of Endor

Kylo Ren was born up to 1 year after the Battle of Endor

Finn was born 7 years after the Battle of Endor

Rey was born 11 years after the Battle of Endor

SWTFA takes place 30 years after the Battle of Endor.

Hux is between 34 and 30, Poe is 32, Ren is 29, Finn is 23, and Rey is 19.