[Fwd: [Fwd: CLDR proposal: Holiday rules]]



looks like someone else has also been thinking about the holiday issue.
Roozbeh : suggest you file a CLDR bug with what you have gathered so far.


-------- Original Message --------
Subject: [Fwd: CLDR proposal: Holiday rules]
Date: Thu, 20 Oct 2005 20:33:08 -0700
From: Mark Davis <mark davis icu-project org>
To: cldr unicode org <cldr unicode org>

forwarded

-------- Original Message --------
Subject: 	CLDR proposal: Holiday rules
Date: 	Thu, 20 Oct 2005 22:40:24 +0100
From: 	Stephen Colebourne <scolebourne btopenworld com>
To: 	unicode unicode org



Hi all,
I lead the Joda-Time open-source project to provide a date and time
library for the Java programming language -
http://joda-time.sourceforge.net.

A recent initiative has been to build upon our foundation datetime
classes to provided a much needed holiday library for Java. The purpose
of such a library would be for a programmer to be able to query if today
is a state holiday in France, or when the next Summer Bank Holiday is in
the UK.

The raw data for when holidays occur would appear to be an ideal
candidate for the CLDR repository. The data is based on the following
factors:
- locale, such as region/country/international
- organization, such as government/company/church
- history, holidays vary by year, 'Spring Bank Holiday' can move from
one date to another date, some holidays, like the 'Milenium day' happen
just once
- date rules, such as last Monday in August

Rather than a small project like ours attempting to categorize this, we
would rather work with CLDR if at all possible! (Or alternately, perhaps
this data is already available in a structured format, like the Olson
Time Zone database?)

We have so far developed a very *rough* first draft XML structure for
the data. I have attached the DTD and the data for the UK that I have so
far gathered to act as an example.

This mail is intended to gather feedback and opinions. (If its the wrong
mailing list, wrong process or otherwise invalid please inform me and
apologies!) I can be contacted privately too at this emails address if
desired.

Looking forward to feedback :-)

Stephen





--
Peter Nugent,
Software Engineer,
Sun Microsystems Ireland Ltd,
Hamilton House,
East Point Business Park,
Dublin 3,
Ireland.
Tel +353.1.8199522
Email: peter nugent sun com
<?xml version="1.0" encoding="UTF-8"?>
<!--
  -  Copyright 2001-2005 Stephen Colebourne
  -
  -  Licensed under the Apache License, Version 2.0 (the "License");
  -  you may not use this file except in compliance with the License.
  -  You may obtain a copy of the License at
  -
  -      http://www.apache.org/licenses/LICENSE-2.0
  -
  -  Unless required by applicable law or agreed to in writing, software
  -  distributed under the License is distributed on an "AS IS" BASIS,
  -  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  -  See the License for the specific language governing permissions and
  -  limitations under the License.
  -->
<!--
  - Holiday information for GB locale.
  -
  - This data is by no means authoritative, and has been collated from various
  - sources. If you think you know better feel free to edit the file.
  - Please send any changes or information to
  - joda-time lists sourceforge net to benefit other users.
  -->
<!DOCTYPE joda-holiday-information SYSTEM "joda-holiday.dtd">
<joda-holiday-information>
  <!-- GB -->
  <!-- Source: http://www.dti.gov.uk/er/bankhol.htm -->
  <!-- Source: http://www.dti.gov.uk/er/bankhis.htm -->
  <locale-holiday-information visible="false">
    <country>GB</country>
    <week>
      <weekendStart>6</weekendStart>
      <weekendEnd>7</weekendEnd>
    </week>
    <days type="State">
      <name lang="en">Bank Holiday</name>
      <day type="GoodFriday">
        <name lang="en">Good Friday</name>
        <dayRule fromYear="1871" basedOn="GregorianEaster" relativeDays="-2" />
      </day>
      <day type="Easter">
        <name lang="en">Easter Day</name>
        <dayRule fromYear="1871" basedOn="GregorianEaster" />
      </day>
      <day type="ChristmasDay">
        <name lang="en">Christmas Day</name>
        <baseRule monthOfYear="12" dayOfMonth="25" />
        <dayRule fromYear="1871" weekendAdjust="NextWeekday" />
      </day>
      <day type="MilleniumDay">
        <name lang="en">Millenium Day</name>
        <dayRule year="1999" monthOfYear="12" dayOfMonth="31" />
      </day>
      <day type="GoldenJubilee">
        <name lang="en">Golden Jubilee Bank Holiday</name>
        <dayRule year="2002" monthOfYear="6" dayOfMonth="3" />
      </day>
      <day type="RoyalWeddingOfCharlesAndDiana">
        <name lang="en">Royal Wedding of Charles and Diana</name>
        <dayRule year="1981" monthOfYear="7" dayOfMonth="29" />
      </day>
    </days>
  </locale-holiday-information>
  
  <!-- GB/England -->
  <locale-holiday-information>
    <country>GB</country>
    <region>England</region>
    <days type="State">
      <day type="NewYear">
        <name lang="en">New Year's Day</name>
        <baseRule monthOfYear="1" dayOfMonth="1" />
        <dayRule fromYear="1974" weekendAdjust="NextWeekday" />
      </day>
      <day type="EasterMonday">
        <name lang="en">Easter Monday</name>
        <dayRule fromYear="1871" basedOn="GregorianEaster" relativeDays="1" />
      </day>
      <day type="MayDay">
        <name lang="en">May Day Bank Holiday</name>
        <dayRule fromYear="1978" monthOfYear="5" weekOfMonth="1" dayOfWeek="1" />
        <dayRule year="1995" monthOfYear="5" dayOfMonth="8" />
      </day>
      <day type="WhitMonday">
        <name lang="en">Whit Monday</name>
        <dayRule fromYear="1871" toYear="1964" basedOn="GregorianEaster" relativeDays="50" />
      </day>
      <day type="Spring">
        <name lang="en">Spring Bank Holiday</name>
        <dayRule fromYear="1965" monthOfYear="5" weekOfMonth="-1" dayOfWeek="1" />
        <dayRule year="2002" monthOfYear="6" dayOfMonth="4" />
      </day>
      <day type="Summer">
        <name lang="en">Summer Bank Holiday</name>
        <dayRule fromYear="1871" toYear="1964" monthOfYear="8" weekOfMonth="1" dayOfWeek="1" />
        <dayRule fromYear="1965" monthOfYear="8" weekOfMonth="-1" dayOfWeek="1" />
      </day>
      <day type="BoxingDay">
        <name lang="en">Boxing Day</name>
        <dayRule fromYear="1871" basedOn="ChristmasDay" relativeDays="1" />
      </day>
    </days>
  </locale-holiday-information>
  
  <!-- GB/Wales -->
  <locale-holiday-information baseRegion="England">
    <country>GB</country>
    <region>Wales</region>
  </locale-holiday-information>
  
  <!-- GB/Scotland -->
  <locale-holiday-information>
    <country>GB</country>
    <region>Scotland</region>
    <days type="State">
      <day type="NewYear">
        <name lang="en">New Year's Day</name>
        <baseRule monthOfYear="1" dayOfMonth="1" />
        <dayRule fromYear="1871" weekendAdjust="NextWeekday" />
      </day>
      <day type="MayDay">
        <name lang="en">May Day Bank Holiday</name>
        <dayRule fromYear="1871" monthOfYear="5" weekOfMonth="1" dayOfWeek="1" />
        <dayRule year="1995" monthOfYear="5" dayOfMonth="8" />
      </day>
      <day type="Summer">
        <name lang="en">Summer Bank Holiday</name>
        <dayRule fromYear="1871" monthOfYear="8" weekOfMonth="1" dayOfWeek="1" />
      </day>
      <day type="Hogmanay">
        <name lang="en">Hogmanay</name>
        <baseRule monthOfYear="1" dayOfMonth="2" />
        <dayRule fromYear="1973" basedOn="NewYear" relativeDays="1" />
      </day>
      <day type="BoxingDay">
        <name lang="en">Boxing Day</name>
        <dayRule fromYear="1974" basedOn="ChristmasDay" relativeDays="1" />
      </day>
      <day type="Spring">
        <name lang="en">Spring Bank Holiday</name>
        <dayRule fromYear="1978" monthOfYear="5" weekOfMonth="-1" dayOfWeek="1" />
        <dayRule year="2002" monthOfYear="6" dayOfMonth="4" />
      </day>
    </days>
  </locale-holiday-information>
  
  <!-- GB/NorthernIreland -->
  <locale-holiday-information baseRegion="England">
    <country>GB</country>
    <region>NorthernIreland</region>
    <days type="State">
      <day type="StPatricksDay">
        <name lang="en">St Patrick's Day</name>
        <baseRule monthOfYear="3" dayOfMonth="17" />
        <dayRule fromYear="1903" weekendAdjust="NextWeekday" />
      </day>
      <day type="BattleOfTheBoyne">
        <name lang="en">Battle of the Boyne</name>
        <baseRule monthOfYear="7" dayOfMonth="12" />
        <dayRule fromYear="1926" weekendAdjust="NextWeekday" />
      </day>
    </days>
  </locale-holiday-information>
  
</joda-holiday-information>




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