Talk:Marinette Dupain-Cheng/@comment-37210617-20190907102115/@comment-37210617-20190916123616

Adrien had his 14th birthday in "The Bubbler" (one of the first episodes in season 1). Marinette had her 14th birthday in "Befana" (season 2).

Every September / October is followed by another July / August - that of the following year.

Conclusion: Adrien is older than Marinette.