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PyPI · #2554 most downloaded on PyPI
IERS Earth Rotation and Leap Second tables for the astropy core package
Last release 7 days ago
28 Sep 2026
Ships on a steady schedule
a new release about every 2 weeks
Nearly every release is documented
notes for 60 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
3 years old
177 releases · first in 2023
One column per quarter.
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Bump the actions group in /.github/workflows with 3 updates by @dependabot in https://github.com/astropy/astropy-iers-data/pull/23
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astropy dropped Python 3.9, dependabot for Actions by @pllim in https://github.com/astropy/astropy-iers-data/pull/22
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Replace broken leap seconds mirror URL by @pllim in https://github.com/astropy/astropy-iers-data/pull/18
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Refactor workflows by @astrofrog in https://github.com/astropy/astropy-iers-data/pull/13
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Update IERS Earth rotation and leap second tables by @github-actions in https://github.com/astropy/astropy-iers-data/pull/7
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