Antemeridian in a sentence as an adjective

The real problem is that you can't tell inside from outside in a polygon that wraps the antemeridian.

So then you inevitably think "well, okay, we can have the bounding box cross the antemeridian.

I think, though, that you intended antimeridian rather than antemeridian?

The international dateline; or more precisely the antemeridian.

Proper Noun Examples for Antemeridian

This is probably my fault; it turns out I've been incorrectly spelling it antemeridian for ages!Antemeridian is an adjective meaning "of or relating to morning", and antimeridian is indeed the correct word.

Antemeridian definitions

adjective

before noon