[](https://github.com/jepler/leapseconddata/actions/workflows/test.yml) [](https://pypi.org/project/leapseconddata) [](https://leapseconddata.readthedocs.io/en/latest/?badge=latest) # Python Leap Second List Leap seconds are corrections applied irregularly so that the UTC day stays fixed to the earth's rotation. This module provides a class for parsing and validating the standard `leap-seconds.list` file. Once parsed, it is possible to retrieve the full list of leap seconds, or find the TAI-UTC offset for any UTC time.