| Date | Weekday | Text | Observed | |||
|---|---|---|---|---|---|---|
| Other states | ||||||
| 30 May | Tuesday | Guam, Puerto Rico, US, US Virgin Islands: Memorial Day | ||||
| 30 May | Tuesday | Lincoln City IN: Nancy Hanks Lincoln Memorial Day | ||||
| 30 May | Tuesday | US: The REAL Memorial Day (Decoration Day) (1868) | ||||
| 30 May | Tuesday | US: Memorial Day/Decoration Day, a legal holiday (1868) | ||||
| 30 May | Tuesday | RELIGIOUS | Roman Catholic: Commemoration of St Felix I, pope [268-73], martyr | |||
| 30 May | Tuesday | RELIGIOUS | Roman Catholic: Commemoration of St Ferdinand III, Spanish king/patron of engineers | |||
| 30 May | Tuesday | RELIGIOUS | Roman Catholic: Commemoration of St Jeanne d'Arc, Maid of Orleans, patroness of France | |||
| Andorra | ||||||
| 30 May 2004 | Sunday | OBSERVANCE | Whit Sunday | |||
| Australia | ||||||
| 30 May 2004 | Sunday | CHRISTIAN | Pentecost | |||
| Austria | ||||||
| 30 May 2004 | Sunday | OBSERVANCE | Whit Sunday | |||
| Bahamas | ||||||
| 30 May 2004 | Sunday | OBSERVANCE | Whit Sunday | |||
| Barbados | ||||||
| 30 May 2004 | Sunday | OBSERVANCE | Whit Sunday | |||
| Belgium | ||||||
| 30 May 2004 | Sunday | NATIONAL HOLIDAY | Whit Sunday | |||
| Canada | ||||||
| 30 May 2004 | Sunday | CHRISTIAN | Pentecost | |||
| Denmark | ||||||
| 30 May 2004 | Sunday | NATIONAL HOLIDAY | Whit Sunday | |||
| Finland | ||||||
| 30 May 2004 | Sunday | NATIONAL HOLIDAY | Whit Sunday | |||
| France | ||||||
| 30 May 2004 | Sunday | OBSERVANCE | Whit Sunday | |||
| Germany | ||||||
| 30 May 2004 | Sunday | SILENT DAY | Whit Sunday | Brandenburg | ||
| Hungary | ||||||
| 30 May 2004 | Sunday | OBSERVANCE, CHRISTIA | Whit Sunday | |||
| Latvia | ||||||
| 30 May 2004 | Sunday | OBSERVANCE | Whitsunday | |||
| Liechtenstein | ||||||
| 30 May 2004 | Sunday | OBSERVANCE | Whit Sunday | |||
| Luxembourg | ||||||
| 30 May 2004 | Sunday | OBSERVANCE, CHRISTIA | Whit Sunday | |||
| Mexico | ||||||
| 30 May 2004 | Sunday | OBSERVANCE | Whit Sunday | |||
| Monaco | ||||||
| 30 May 2004 | Sunday | OBSERVANCE | Whit Sunday | |||
| Netherlands | ||||||
| 30 May 2004 | Sunday | NATIONAL HOLIDAY | Whit Sunday | |||
| Nicaragua | ||||||
| 30 May 2004 | Sunday | OBSERVANCE | Mothers' Day | |||
| Norway | ||||||
| 30 May 2004 | Sunday | NATIONAL HOLIDAY, FL | Whit Sunday | |||
| Poland | ||||||
| 30 May 2004 | Sunday | NATIONAL HOLIDAY | Whit Sunday | |||
| Romania | ||||||
| 30 May 2004 | Sunday | NATIONAL HOLIDAY | Orthodox Pentecost | |||
| Slovenia | ||||||
| 30 May 2004 | Sunday | NATIONAL HOLIDAY | Whit Sunday | |||
| Spain | ||||||
| 30 May 2004 | Sunday | LOCAL HOLIDAY | Day of the Canary Islands | Canary Islands | ||
| 30 May 2004 | Sunday | OBSERVANCE | Whit Sunday/Pentecost | |||
| Sweden | ||||||
| 30 May 2004 | Sunday | PUBLIC HOLIDAY | Whit Sunday | |||
| 30 May 2004 | Sunday | DE FACTO HOLIDAY | Mother's Day | |||
| Switzerland | ||||||
| 30 May 2004 | Sunday | COMMON LOCAL HOLIDAY | Pentecost | All | ||
| Trinidad | ||||||
| 30 May 2004 | Sunday | PUBLIC HOLIDAY | Indian Arrival Day | |||
| Uk | ||||||
| 30 May 2004 | Sunday | CHRISTIAN | Pentecost | |||
| Ukraine | ||||||
| 30 May 2004 | Sunday | NATIONAL HOLIDAY | Orthodox Pentecost | |||
| 30 May 2004 | Sunday | OBSERVANCE | Kiev Day | |||
| USA | ||||||
| 30 May 2004 | Sunday | CHRISTIAN | Pentecost | |||
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