vs
16
Iceland
12
Shared Holidays
32
Spain
| Date | 🇮🇸 Iceland | 🇪🇸 Spain |
|---|---|---|
| Jan 1, 2004Shared | New Year's Day Nýársdagur | New Year's Day Año Nuevo |
| Jan 6, 2004 | — | Epiphany Día de Reyes / Epifanía del Señor |
| Feb 28, 2004 | — | Day of Andalucía Día de Andalucía |
| Mar 1, 2004 | — | Day of the Balearic Islands Dia de les Illes Balears |
| Mar 19, 2004 | — | Saint Joseph's Day San José |
| Apr 8, 2004Shared | Maundy Thursday Skírdagur | Maundy Thursday Jueves Santo |
| Apr 9, 2004Shared | Good Friday Föstudagurinn langi | Good Friday Viernes Santo |
| Apr 11, 2004 | Easter Sunday Páskadagur | — |
| Apr 12, 2004Shared | Easter Monday Annar í páskum | Easter Monday Lunes de Pascua |
| Apr 22, 2004 | First Day of Summer Sumardagurinn fyrsti | — |
| Apr 23, 2004Shared | — | Day of Aragón San Jorge (Día de Aragón) |
| May 1, 2004Shared | May Day Verkalýðsdagurinn | Labour Day Fiesta del trabajo |
| May 3, 2004 | — | Day of Madrid Fiesta de la Comunidad de Madrid |
| May 17, 2004 | — | Galician Literature Day Día das Letras Galegas |
| May 20, 2004 | Ascension Day Uppstigningardagur | — |
| May 30, 2004Shared | Pentecost Hvítasunnudagur | Day of the Canary Islands Día de Canarias |
| May 31, 2004Shared | Whit Monday Annar í hvítasunnu | Day of Castilla-La Mancha Día de la Región Castilla-La Mancha |
| Jun 9, 2004Shared | — | Day of Murcia Día de la Región de Murcia |
| Jun 10, 2004 | — | Corpus Christi |
| Jun 17, 2004 | Icelandic National Day Þjóðhátíðardagurinn | — |
| Jun 24, 2004 | — | St. John's Day Sant Joan |
| Jul 28, 2004 | — | Day of the Cantabrian Institutions Día de las Instituciones de Cantabria |
| Aug 2, 2004 | Commerce Day Frídagur verslunarmanna | — |
| Aug 16, 2004 | — | Assumption Asunción |
| Sep 8, 2004Shared | — | Day of Extremadura Día de Extremadura |
| Sep 11, 2004 | — | National Day of Catalonia Diada Nacional de Catalunya |
| Sep 15, 2004 | — | Feast of Our Lady of Bien Aparecida Festividad de la Bien Aparecida |
| Oct 9, 2004 | — | Day of the Valencian Community Dia de la Comunitat Valenciana |
| Oct 12, 2004 | — | National Day of Spain Fiesta Nacional de España |
| Nov 1, 2004 | — | All Saints Day Día de todos los Santos |
| Dec 6, 2004 | — | Constitution Day Día de la Constitución |
| Dec 8, 2004 | — | Immaculate Conception Inmaculada Concepción |
| Dec 24, 2004 | Christmas Eve Aðfangadagur | — |
| Dec 25, 2004Shared | Christmas Day Jóladagur | Christmas Day Navidad |
| Dec 26, 2004Shared | St. Stephen's Day Annar í jólum | St. Stephen's Day Feast of Saint Stephen |
| Dec 31, 2004 | New Year's Eve Gamlársdagur | — |