* [spacetime 7.16.0](https://github.com/spencermountain/spacetime) – Lightweight date calculator for handling timezones and date-related operations.

* [tzdb v6.201.1](https://github.com/vvo/tzdb) – Simplified and grouped IANA time zones with alternative names, major cities, and current offsets for building time zone selectors.

* [go-tz v2.2.9](https://github.com/ugjka/go-tz) – Timezone lookup by longitude and latitude with embedded shapefile and sub-millisecond in-memory queries.