tzdata
PyPIv2026.3Provider of IANA time zone data
Safe to adopt
Yes — tzdata scores well across adoption, maintenance, weight, supply chain, and licensing. No download data reported for this package yet. Last published 61 days ago. 7 releases in the last 2 years.
- ?Adoption: grade ?, Not reported by this registry.
No download data reported for this package yet.
- AMaintenance: grade A, Excellent.
Last published 61 days ago. 7 releases in the last 2 years.
- AWeight: grade A, Excellent.
Zero runtime dependencies, about 340 KB installed.
- BSupply chain: grade B, Good.
This package has a single maintainer (bus factor of 1).
- ALicense: grade A, Excellent.
Apache-2.0 — permissive, with no copyleft found in the dependency tree.
Grades are computed deterministically from registry metadata collected by PackageGraph — downloads, dependents, publish dates, the resolved dependency tree, maintainer count, and declared licenses. No third-party scores are used.
Install cost
What you actually take on by adding tzdata to a project.
Runtime packages this one declares itself.
Distinct packages in the full runtime tree, deduplicated the way a package manager would.
Unpacked size of this package plus its entire runtime tree.
Longest resolved dependency chain below this package.
Compatibility
- Python
- python >=2
Used by
Popular packages that depend on tzdata.
Relationship graph
Dependencies (left) and dependents (right) of tzdata.
Frequently installed together
ASGI specs, helper code, and adapters
A non-validating SQL parser.
Core utilities for Python packages
Python promises.
Low-level AMQP client for Python (fork of amqplib).
Release history
6 releases in the last two years, typically about 61 days apart.
| Version | Published | Size | License |
|---|---|---|---|
| 2026.3latest | 2 months ago | 340 KB | Apache-2.0 |
| 2026.2 | 4 months ago | 341 KB | Apache-2.0 |
| 2026.1 | 5 months ago | 341 KB | Apache-2.0 |
| 2025.3 | 9 months ago | 340 KB | Apache-2.0 |
| 2025.2 | 1 year ago | 340 KB | Apache-2.0 |
| 2025.1 | 1 year ago | 339 KB | Apache-2.0 |
| 2024.2 | 1 year ago | 338 KB | Apache-2.0 |
| 2024.1 | 2 years ago | 337 KB | Apache-2.0 |
| 2023.4 | 2 years ago | 338 KB | Apache-2.0 |
| 2023.3 | 3 years ago | 334 KB | Apache-2.0 |
| 2023.2 | 3 years ago | 334 KB | Apache-2.0 |
| 2023.1 | 3 years ago | 334 KB | Apache-2.0 |
| 2022.7 | 3 years ago | 332 KB | Apache-2.0 |
| 2022.6 | 3 years ago | 331 KB | Apache-2.0 |
| 2022.5 | 3 years ago | 329 KB | Apache-2.0 |
Overview
tzdata is an PyPI package that provider of IANA time zone data. It has 3 known dependents in the graph. The latest version is 2026.3, released under the Apache-2.0 license.
Who should use it
Teams working in the PyPI ecosystem who need provider of IANA time zone data and value a focused solution.
When not to use it
Consider an alternative if you need to or if a more actively-maintained option better fits your PyPI stack.
Pros
- Clear open-source license (Apache-2.0).
- Zero runtime dependencies — minimal footprint.
Cons
- No significant drawbacks detected from available metadata.
Auto-generated from collected registry metadata. No external claims are inferred.
Maintainers
Frequently asked questions
Should I use tzdata?
Yes — tzdata scores well across adoption, maintenance, weight, supply chain, and licensing. No download data reported for this package yet. Last published 61 days ago. 7 releases in the last 2 years.
How do I install tzdata?
Run `pip install tzdata` to add tzdata to your PyPI project.
What license is tzdata released under?
tzdata is distributed under the Apache-2.0 license.
How popular is tzdata?
PyPI does not publish download counts. Within PackageGraph's crawl, 3 known packages depend on tzdata.
Is tzdata still maintained?
The most recent release of tzdata (v2026.3) was published 2 months ago.