core + meta (Meta Extension): terms used within schema.org for schema definitions.

longitude

Canonical URL: http://schema.org/longitude

Thing > Property > longitude

The longitude of a location. For example -122.08585 (WGS 84).

Usage: Between 100,000 and 250,000 domains
Values expected to be one of these types
Number
Text
Used on these types
GeoCoordinates

Schema Version 3.3