Dayoff
Copyright 2026 George Guimarães

Licensed under the Apache License, Version 2.0. See LICENSE.

Dayoff is a port to Elixir of the rule grammar and evaluation semantics of
date-holidays-parser by commenthol (https://github.com/commenthol/date-holidays-parser),
and ships the Hijri and Hebrew calendar tables generated by that project.
date-holidays-parser is released under the ISC license:

  Copyright (c) 2015 commenthol

  Permission to use, copy, modify, and/or distribute this software for any
  purpose with or without fee is hereby granted, provided that the above
  copyright notice and this permission notice appear in all copies.

  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

The holiday data in priv/data/holidays.json comes from date-holidays by commenthol
(https://github.com/commenthol/date-holidays) and is licensed CC BY-SA 3.0.
See priv/data/LICENSE.