leapseconddata 4.1.1

This module allows you to download and extract leap second data from various trusted sources, both offline and online, in order to:

• Convert dates and times between TAI and UTC;

• Determine if a date has an extra second at the end in UTC.

You can also find the project in the following locations:

• jelper/leapseconddata repository on Github;

• leapseconddata project on PyPI.

The project’s code and documentation contents are licensed under GNU General Public License version 3.

How-to guides

These sections provide guides, i.e. recipes, targeted towards various actors. They guide you through the steps involved in addressing key problems and use-cases.

• General guides
  • Installing leapseconddata
    • pip (generic)
• Developer guides
  • Obtaining a list of leap seconds
    • Using the first available standard source
    • Using a custom file source
    • Using a custom URL
  • Converting a TAI date and time to UTC
  • Converting a UTC date and time to TAI
  • Checking if a date has a leap second

Discussion topics

These sections discuss key topics and concepts at a fairly high level, and provide useful background information and explanation.

• General topics
  • What are leap seconds?
  • How is leap second data distributed?

References

These sections provide technical reference for APIs and other aspects of the project’s machinery. They go into detail, and therefore, assume you have a basic understanding of key concepts.

• Code reference
  • leapseconddata – main namespace for the project