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Time zone for 99591 zip code resolves to the wrong time zone - v8.2.0

Status: Open.

#393 In jannikmi/timezonefinder;

· mitsutwo opened on Feb 10, 2026

Use python 3.10 syntax throughout

Status: Open.

#389 In jannikmi/timezonefinder;

· jannikmi opened on Jan 8, 2026

Enable Free-threaded Python (FTP)

enhancement

help wanted

performance

pythonPull requests that update Python codePull requests that update Python code

Status: Open.

#364 In jannikmi/timezonefinder;

· jannikmi opened on Oct 21, 2025

Code Quality: reuse the PolygonArray binaries in the file conversion process

enhancement

good-first-issue

help wanted

maturity

parsingRelated to the ingestion code run once, not the performance critical, user facing lookup code.Related to the ingestion code run once, not the performance critical, user facing lookup code.

pythonPull requests that update Python codePull requests that update Python code

Status: Open.

#362 In jannikmi/timezonefinder;

· jannikmi opened on Oct 17, 2025

Replace holes with the corresponding boundary polygons

enhancement

help wanted

parsingRelated to the ingestion code run once, not the performance critical, user facing lookup code.Related to the ingestion code run once, not the performance critical, user facing lookup code.

performance

question

Status: Open.

#350 In jannikmi/timezonefinder;

· jannikmi opened on Sep 21, 2025

Use official mapping for reduced timezone set of the timezones-now dataset

enhancement

maturity

pythonPull requests that update Python codePull requests that update Python code

wontfix

Status: Open.

#334 In jannikmi/timezonefinder;

· jannikmi opened on Aug 12, 2025

use reduced timezone dataset

enhancement

performance

question

Status: Open.

#332 In jannikmi/timezonefinder;

· jannikmi opened on Aug 7, 2025

GUI: improve the timezonefinder GUI

enhancement

good-first-issue

help wanted

maturity

pythonPull requests that update Python codePull requests that update Python code

Status: Open.

#318 In jannikmi/timezonefinder;

· jannikmi opened on Jul 22, 2025

reduce release memory footprint

CI/CDImprove deployment and integration automationImprove deployment and integration automation

enhancement

help wanted

Status: Open.

#317 In jannikmi/timezonefinder;

· jannikmi opened on Jul 22, 2025

performance optimisation: sort polygons in shortcuts according to area

enhancement

good-first-issue

help wanted

parsingRelated to the ingestion code run once, not the performance critical, user facing lookup code.Related to the ingestion code run once, not the performance critical, user facing lookup code.

performance

Status: Open.

#301 In jannikmi/timezonefinder;

· jannikmi opened on Jul 17, 2025

timezone binary data compression

enhancement

good-first-issue

help wanted

Status: Open.

#293 In jannikmi/timezonefinder;

· jannikmi opened on Jul 14, 2025

CI/CD: detect new available boundary data version

CI/CDImprove deployment and integration automationImprove deployment and integration automation

enhancement

github_actionsPull requests that update GitHub Actions codePull requests that update GitHub Actions code

good-first-issue

help wanted

Status: Open.

#273 In jannikmi/timezonefinder;

· jannikmi opened on Mar 23, 2025