is.yaml

# Icelandic holiday definitions for the Ruby Holiday gem.
#
# Updated: 2008-11-29.
# Sources:
# - http://www.simnet.is/gardarj/folk/days.htm#days
# - http://www.iceland.is/history-and-culture/Traditions/IcelandicHolidays/
# - http://en.wikipedia.org/wiki/Public_holidays_in_Iceland
# - http://www.qppstudio.net/publicholidays2007/iceland.htm
---
months:
  0:
  - name: Bolludagur
    regions: [is]
    function: easter(year)
    function_modifier: -48
  - name: Sprengidagur
    regions: [is]
    function: easter(year)
    function_modifier: -47
  - name: Öskudagur
    regions: [is]
    function: easter(year)
    function_modifier: -46
  - name: Pálmasunnudagur
    regions: [is]
    function: easter(year)
    function_modifier: -7
  - name: Skírdagur
    regions: [is]
    function: easter(year)
    function_modifier: -3
  - name: Föstudaginn langi
    regions: [is]
    function: easter(year)
    function_modifier: -2
  - name: Páskadagur
    regions: [is]
    function: easter(year)
  - name: Annar í páskum
    regions: [is]
    function: easter(year)
    function_modifier: 1
  - name: Uppstigningardagur
    regions: [is]
    function: easter(year)
    function_modifier: 39
  - name: Hvítasunnudagur
    regions: [is]
    function: easter(year)
    function_modifier: 49
  - name: Annar í hvítasunnu
    regions: [is]
    function: easter(year)
    function_modifier: 50
  1:
  - name: Nýársdagur
    regions: [is]
    mday: 1
  - name: Þrettándinn
    regions: [is]
    mday: 6
  - name: Bóndadagur
    regions: [is]
    mday: 19
    type: informal
  2:
  - name: Konudagur
    regions: [is]
    mday: 18
    type: informal
  4:
  - name: Sumardagurinn fyrsti
    regions: [is]
    function: is_sumardagurinn_fyrsti(year)
  5:
  - name: Verkalýðsdagurinn
    regions: [is]
    mday: 1
  - name: Mæðradagurinn
    regions: [is]
    mday: 13
  6:
  - name: Sjómannadagurinn
    regions: [is]
    mday: 3
    type: informal
  - name: Lýðveldisdagurinn
    regions: [is]
    mday: 17
  8:
  - name: Frídagur verslunarmanna
    regions: [is]
    week: 1
    wday: 1
  11:
  - name: Dagur íslenskrar tungu
    regions: [is]
    mday: 16
  12:
  - name: Jól
    regions: [is]
    mday: 24
  - name: Jól
    regions: [is]
    mday: 25
  - name: Jól
    regions: [is]
    mday: 26
  - name: Gamlárskvöld
    regions: [is]
    mday: 31

methods:
  is_sumardagurinn_fyrsti:
    # Iceland: first day of summer (Thursday after 18 April)
    arguments: year
    ruby: |
      date = Date.civil(year,4,18)
      if date.wday < 4
        date += (4 - date.wday)
      else
        date += (11 - date.wday)
      end
      date

tests:
  - given:
      date: '2007-01-01'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Nýársdagur"
  - given:
      date: '2007-01-06'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Þrettándinn"
  - given:
      date: '2007-01-19'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Bóndadagur"
  - given:
      date: '2007-02-18'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Konudagur"
  - given:
      date: '2007-04-05'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Skírdagur"
  - given:
      date: '2007-04-06'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Föstudaginn langi"
  - given:
      date: '2007-04-08'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Páskadagur"
  - given:
      date: '2007-04-09'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Annar í páskum"
  - given:
      date: '2007-04-19'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Sumardagurinn fyrsti"
  - given:
      date: '2007-05-01'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Verkalýðsdagurinn"
  - given:
      date: '2007-05-17'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Uppstigningardagur"
  - given:
      date: '2007-05-27'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Hvítasunnudagur"
  - given:
      date: '2007-05-28'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Annar í hvítasunnu"
  - given:
      date: '2007-06-03'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Sjómannadagurinn"
  - given:
      date: '2007-06-17'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Lýðveldisdagurinn"
  - given:
      date: '2007-08-06'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Frídagur verslunarmanna"
  - given:
      date: '2007-12-24'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Jól"
  - given:
      date: '2007-12-25'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Jól"
  - given:
      date: '2007-12-26'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Jól"
  - given:
      date: '2007-12-31'
      regions: ["is"]
      options: ["informal"]
    expect:
      name: "Gamlárskvöld"