PyRank
python

tzdata

Python package wrapping the IANA time zone database
PyPI GitHub Verified repo
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

tzdata has 497.8M monthly downloads and 107 GitHub stars. Version 2026.2 supports Python 2+, first published in 2016.

It is actively maintained under a permissive license, last released in Apr 2026.

It is used by 1,420 tracked packages, including pandas, tzlocal and psycopg.

Downloads
Day
15.2M
Week
112.1M
Month
497.8M
Stars
107
Forks
28
Issues
3
Version
2026.2

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
43
Adoption
70
Community
80
Provenance
100
How the maintenance status was determined
Last commit
5 days ago
Monthly downloads
497,807,543
• Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
497,807,543
Stars
107
Stars per 1k downloads
0.00
• Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
16,016,054
Month daily avg
16,593,585
Momentum
-3.5%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=2
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
• Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
Apache-2.0
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
73 days ago
Total releases
35
Releases/year
3.5
Rapid
Last release within 365 days and > 12 releases/year
• Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
138
Monthly downloads
497,807,543
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
73
 
Issue Burden
28.0
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
492.9%
contrib / forks
Stale Release
67d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 10.6M
Windows 392.4K
macOS 90.9K

Python Versions

3.12
27.5% 2.7M
3.11
22.2% 2.2M
3.13
18.5% 1.9M
3.9
16.4% 1.6M
3.10
15.4% 1.5M

Top Countries

1. US US
8.0M
2. HK HK
387.4K
3. SG SG
385.0K
4. DE DE
361.0K
5. IE IE
329.2K
6. NL NL
221.8K
7. IN IN
173.4K
8. GB GB
156.9K
9. ES ES
134.8K
10. JP JP
114.1K

Package Information

License
Apache-2.0
First Release
August 20, 2016
Last Release
2 months ago
Last Commit
5 days ago
Latest Version
2026.2
Total Releases
35
Contributors
138
Open PRs
4
Archived
No
Author
Python Software Foundation
Python Versions
2 3
Wheels
py2 py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links