Alternatives

Please be aware that different projects may have different design goals (speed, accuracy, data sources, etc.). Please do your own research on which one is the best for your use case.

This page is not a complete list of all alternatives.

See the repos in Lookup Libraries section of evansiroky/timezone-boundary-builder first.

A question on Stack Overflow also: How to get a time zone from a location using latitude and longitude coordinates?.

Go

• https://github.com/ringsaturn/tzf
• https://github.com/bradfitz/latlong
• https://github.com/evanoberholster/timezoneLookup
• https://github.com/albertyw/localtimezone/
• https://github.com/ugjka/go-tz
• https://github.com/zsefvlol/timezonemapper

Rust

• https://github.com/ringsaturn/tzf-rs
• https://github.com/twitchax/rtz
• https://github.com/huonw/tz-search
• https://github.com/nicholasbishop/zone-detect-rs
• https://github.com/moranbw/spatialtime

Python

• https://github.com/ringsaturn/tzfpy
• https://github.com/jannikmi/timezonefinder
  • Please see its comparison with tzfpy: Comparison to tzfpy and a thread in tzfpy’s issue: ringsaturn/tzfpy#94
• https://github.com/pegler/pytzwhere

Ruby

• https://github.com/HarlemSquirrel/tzf-rb
• https://github.com/zverok/wheretz

Swift

• https://github.com/ringsaturn/tzf-swift
• https://github.com/patrick-zippenfenig/SwiftTimeZoneLookup

Database

• https://github.com/ringsaturn/pg-tzf
• Building a location to time zone API with SpatiaLite, OpenStreetMap and Datasette
• Geospatial SQL queries in SQLite using TG, sqlite-tg and datasette-sqlite-tg
• https://github.com/LittleGreenViper/LGV_TZ_Lookup with MySQL