Data and algorithms
六边形网格
Hexagonal grid
An indexing scheme that tiles Earth in equal-area hexagons.
Used to aggregate many pass points into queryable regions.
Related terms
- astronomy-engine — An MIT-licensed astronomy library that runs in your browser.
- Ephemeris — A table or algorithm giving positions at given times.
- UTC — The global time standard; it ignores daylight saving.
- ISO 8601 — The international date-time format, e.g. 2026-10-30T18:21:00Z.