https://github.com/tbrowder/calendarconverter

Allows converting Y/M/D dates between any pair of a set of 15 calendar systems
https://github.com/tbrowder/calendarconverter

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Allows converting Y/M/D dates between any pair of a set of 15 calendar systems

• Host: GitHub
• URL: https://github.com/tbrowder/calendarconverter
• Owner: tbrowder
• License: artistic-2.0
• Created: 2021-05-04T21:32:46.000Z (over 3 years ago)
• Default Branch: master
• Last Pushed: 2021-08-01T11:18:21.000Z (over 3 years ago)
• Last Synced: 2024-12-09T19:50:08.628Z (about 1 month ago)
• Language: Raku
• Size: 25.4 KB
• Stars: 2
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Changelog: Changes
  • License: LICENSE.md

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README

        
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NAME

====

CalendarConverter - Allows converting Y/M/D dates between any pair of a set of 15 *regular* calendars

SYNOPSIS

========

```raku

use CalendarConverter;

my $c = CalendarConverter.new: :in, :out;0

say $c.convert: :2021year; # OUTPUT: yyyy/m/d

say $c.convert: :2021year, :10month, :15day; # OUTPUT: yyyy/m/d

```

DESCRIPTION

===========

**CalendarConverter** uses the algorithms of E. G. Richards to convert dates, in Y/M/D form, between any two of 15 *regular* calendars.

Calendars and name keys (from Ref. 1, Table 22.1, p. 290):

Egyptian calendars

No. Calendar name Key Era

 1 Egyptian egy Nabonassar   2 Armenian arm Armenian   3 Khwarizmian khw Yazdegerd   4 Persian per Yaxdegerd 

Alexandrian calendars

No. Calendar name Key Era

 5 Ethiopic eth Incarnation   6 Coptic cop Diocletian   7 Republican rep Republican 

Julian calendars

No. Calendar name Key Era

 8 Macedonian mac Alexander   9 Syrian syr Alexander   10 Julian Roman jul Christian   11 Gregorian gre Christian 

Islamic calendars

No. Calendar name Key Era

 12 Islamic A isa Hegira   13 Islamic B isb Hegira 

Modern calendars

No. Calendar name Key Era

 14 Bahai bah Bahai   15 Saka sak Saka 

Planned features

----------------

  * subclass Raku Date for a Date::Calendar for any of the 15 calendars

References

----------

1. *Mapping Time: The Calendar and Its History*, E. G. Richards, The Oxford University Press, 2000.

AUTHOR

======

Tom Browder 

COPYRIGHT and LICENSE

=====================

Copyright © 2021 Tom Browder

This library is free software; you may redistribute or modify it under the Artistic License 2.0.