tzdata
PyPIactive
tzdata last released 2026.5 on 2026-10-03. Its latest version requires Python >=2.
Facts
- Latest release
- 2026.5, (21 days ago)
- First published
- (10 years ago)
- Releases in the last 12 months
- 6
- Median days between releases
- 64
- Median days between major versions
- 371
- Monthly downloads
- 378,926,726
- License
- Apache-2.0
- Repository
- github.com/python/tzdata
- Source
- pypi.org (checked 2026-10-19)
Major versions
8 major versions have been published.
| Major | First version | First released | Latest version | Latest released |
|---|---|---|---|---|
| 2026 | 2026.1 | 2026-04-03 | 2026.5 | 2026-10-03 |
| 2025 | 2025.1 | 2025-01-21 | 2025.3 | 2025-12-13 |
| 2024 | 2024.1 | 2024-02-11 | 2024.2 | 2024-09-23 |
| 2023 | 2023.1 | 2023-03-24 | 2023.4 | 2023-12-29 |
| 2022 | 2022.1 | 2022-03-18 | 2022.7 | 2022-11-30 |
| 2021 | 2021.1 | 2021-01-26 | 2021.5 | 2021-10-25 |
| 2020 | 2020.1rc0 | 2020-05-08 | 2020.5 | 2020-12-26 |
| 1 | 1.2016.5a1 | 2016-08-20 | 1.2016.8 | 2016-11-03 |
Runtime requirements
The latest version of tzdata declares these runtime constraints.
| Runtime | Constraint | Minimum version | Since version | Since |
|---|---|---|---|---|
| Python | >=2 | 2 | 2026.1 | 2026-04-03 |
Supported runtimes
The latest version of tzdata runs on 18 tracked runtime releases.
| Runtime | Cycle | Released | End of life | LTS |
|---|---|---|---|---|
| Python | 3.15 | 2026-10-09 | 2031-10-31 | |
| Python | 3.14 | 2025-10-07 | 2030-10-31 | |
| Python | 3.13 | 2024-10-07 | 2029-10-31 | |
| Python | 3.12 | 2023-10-02 | 2028-10-31 | |
| Python | 3.11 | 2022-10-24 | 2027-10-31 | |
| Python | 3.10 | 2021-10-04 | 2026-10-01 | |
| Python | 3.9 | 2020-10-05 | 2025-10-31 | |
| Python | 3.8 | 2019-10-14 | 2024-10-07 | |
| Python | 3.7 | 2018-06-27 | 2023-06-27 | |
| Python | 3.6 | 2016-12-23 | 2021-12-23 | |
| Python | 3.5 | 2015-09-13 | 2020-09-30 | |
| Python | 3.4 | 2014-03-16 | 2019-03-18 | |
| Python | 3.3 | 2012-09-29 | 2017-09-29 | |
| Python | 3.2 | 2011-02-20 | 2016-02-20 | |
| Python | 3.1 | 2009-06-27 | 2012-04-09 | |
| Python | 3.0 | 2008-12-03 | 2009-06-27 | |
| Python | 2.7 | 2010-07-03 | 2020-01-01 | |
| Python | 2.6 | 2008-10-01 | 2013-10-29 |
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