Group world cities by timezone
A simple example of how to group world cities by timezone
Tzf
Released tzf-pg: High-Performance Lat/Lon → Time Zone PostgreSQL Extension
Developed and released tzf-pg, a PostgreSQL extension providing microsecond-level latitude/longitude to time zone conversion, based on the Rust library tzf-rs and the pgrx framework.
History of package tzf
Introduces the evolution of tzf, from the initial implementation in Go, to the later Python extension, and finally to the current Rust implementation with a PyO3 wrapper.