howard-hinnant-date

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  "desc": "C++ library for date and time operations based on \u003cchrono\u003e",
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  "github_readme_excerpt": "# Date\n\n[![Build Status](https://travis-ci.org/HowardHinnant/date.svg?branch=master)](https://travis-ci.org/HowardHinnant/date)\n[![Join the chat at https://gitter.im/HowardHinnant/date](https://badges.gitter.im/HowardHinnant/date.svg)](https://gitter.im/HowardHinnant/date?utm_source=badge\u0026utm_medium=badge\u0026utm_campaign=pr-badge\u0026utm_content=badge)\n\n---\n\n**[Try it out on wandbox!](https://wandbox.org/permlink/oyXjibyF680HHoyS)**\n\n## Summary\n\nThis is actually several separate C++11/C++14/C++17 libraries:\n\n1. `\"date.h\"` is a header-only library which builds upon `\u003cchrono\u003e`.  It adds some new `duration` types, and new `time_point` types.  It also adds \"field\" types such as `year_month_day` which is a struct `{year, month, day}`.  And it provides convenient means to convert between the \"field\" types and the `time_point` types.\n\n    * Documentation: http://howardhinnant.github.io/date/date.html\n    * Video: https://www.youtube.com/watch?v=tzyGjOm8AKo\n    * Slides: http://schd.ws/hosted_files/cppcon2015/43/hinnant_dates.pdf\n\n1. `\"tz.h\"` / `\"tz.cpp\"`  are a timezone library built on top of the `\"date.h\"` library.  This timezone library is a complete parser of the IANA timezone database.  It provides for an easy way to access all of the data in this database, using the types from `\"date.h\"` and `\u003cchrono\u003e`.  The IANA database also includes data on leap seconds, and this library provides utilities to compute with that information as well.\n\n    * Documentation: http://howardhinnant.github.io/date/tz.html\n    * Video: https://www.youtube.com/watch?v=Vwd3pduVGKY\n    * Slides: http://schd.ws/hosted_files/cppcon2016/0f/Welcome%20To%20The%20Time%20Zone%20-%20Howard%20Hinnant%20-%20CppCon%202016.pdf\n\n1. `\"iso_week.h\"` is a header-only library built on top of the `\"date.h\"` library which implements the ISO week date calendar.\n\n    * Documentation: http://howardhinnant.github.io/date/iso_week.html\n\n1. `\"julian.h\"` is a header-only library built on top of the `\"date.h\"` library which impl",
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    "calendar",
    "date",
    "datetime",
    "iana-database",
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    "timezone",
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