I know you're being sarcastic, but funny how "localization" affects our perceived reality, looking it up there are also China-centric maps[1], so most Chinese students probably think all world maps are like that.
AFAIK most maps I've seen have the longitude 180 degrees West at the left edge, and 180 degrees East on the right.
[1] https://www.quora.com/Why-isnt-our-world-map-made-to-look-li...