| Date | Weekday | Text | Observed | |||
|---|---|---|---|---|---|---|
| Other states | ||||||
| 31 May | Wednesday | Brunei: Royal Brunei Malay Regiment | ||||
| 31 May | Wednesday | Namibia, South Africa: Union Day (1910), Republic Day (1961) | ||||
| 31 May | Wednesday | Zimbabwe: Independence Day (1979) | ||||
| 31 May | Wednesday | US: Memorial Day/Decoration Day, a legal holiday (1868] | ||||
| 31 May | Wednesday | RELIGIOUS | Lutheran, Anglican, Roman Catholic: Feast of the Visitation [Queenship] of Mary | |||
| 31 May | Wednesday | RELIGIOUS | Roman Catholic: Commemoration of St Aurelia Petronilla, virgin | |||
| 31 May | Wednesday | RELIGIOUS | old Roman Catholic: Feast of St Angela Merici, virgin | |||
| Andorra | ||||||
| 31 May 2009 | Sunday | OBSERVANCE | Whit Sunday | |||
| Australia | ||||||
| 31 May 2009 | Sunday | CHRISTIAN | Pentecost | |||
| Austria | ||||||
| 31 May 2009 | Sunday | OBSERVANCE | Whit Sunday | |||
| Bahamas | ||||||
| 31 May 2009 | Sunday | OBSERVANCE | Whit Sunday | |||
| Barbados | ||||||
| 31 May 2009 | Sunday | OBSERVANCE | Whit Sunday | |||
| Belgium | ||||||
| 31 May 2009 | Sunday | NATIONAL HOLIDAY | Whit Sunday | |||
| Canada | ||||||
| 31 May 2009 | Sunday | CHRISTIAN | Pentecost | |||
| Denmark | ||||||
| 31 May 2009 | Sunday | NATIONAL HOLIDAY | Whit Sunday | |||
| Estonia | ||||||
| 31 May 2009 | Sunday | NATIONAL HOLIDAY | Whitsunday | |||
| Finland | ||||||
| 31 May 2009 | Sunday | NATIONAL HOLIDAY | Whit Sunday | |||
| France | ||||||
| 31 May 2009 | Sunday | OBSERVANCE | Whit Sunday | |||
| Germany | ||||||
| 31 May 2009 | Sunday | SILENT DAY | Whit Sunday | Brandenburg | ||
| Hungary | ||||||
| 31 May 2009 | Sunday | OBSERVANCE, CHRISTIA | Whit Sunday | |||
| Iceland | ||||||
| 31 May 2009 | Sunday | NATIONAL HOLIDAY | Whit Sunday | |||
| Latvia | ||||||
| 31 May 2009 | Sunday | OBSERVANCE | Whitsunday | |||
| Liechtenstein | ||||||
| 31 May 2009 | Sunday | OBSERVANCE | Whit Sunday | |||
| Luxembourg | ||||||
| 31 May 2009 | Sunday | OBSERVANCE, CHRISTIA | Whit Sunday | |||
| Mexico | ||||||
| 31 May 2009 | Sunday | OBSERVANCE | Whit Sunday | |||
| Monaco | ||||||
| 31 May 2009 | Sunday | OBSERVANCE | Whit Sunday | |||
| Netherlands | ||||||
| 31 May 2009 | Sunday | NATIONAL HOLIDAY | Whit Sunday | |||
| Norway | ||||||
| 31 May 2009 | Sunday | NATIONAL HOLIDAY, FL | Whit Sunday | |||
| Poland | ||||||
| 31 May 2009 | Sunday | NATIONAL HOLIDAY | Whit Sunday | |||
| Slovenia | ||||||
| 31 May 2009 | Sunday | NATIONAL HOLIDAY | Whit Sunday | |||
| Spain | ||||||
| 31 May 2009 | Sunday | LOCAL HOLIDAY | Canaries day observed | Canary Islands | ||
| 31 May 2009 | Sunday | LOCAL HOLIDAY | Day of Castile-La Mancha | Castile-La Mancha | ||
| 31 May 2009 | Sunday | OBSERVANCE | Whit Sunday/Pentecost | |||
| Sweden | ||||||
| 31 May 2009 | Sunday | PUBLIC HOLIDAY | Whit Sunday | |||
| 31 May 2009 | Sunday | DE FACTO HOLIDAY | Mother's Day | |||
| Switzerland | ||||||
| 31 May 2009 | Sunday | COMMON LOCAL HOLIDAY | Pentecost | All | ||
| Uk | ||||||
| 31 May 2009 | Sunday | CHRISTIAN | Pentecost | |||
| Ukraine | ||||||
| 31 May 2009 | Sunday | OBSERVANCE | Kiev Day | |||
| USA | ||||||
| 31 May 2009 | Sunday | CHRISTIAN | Pentecost | |||
| 31 May 2009 | Sunday | UNITED NATIONS OBSER | World No Tobacco Day | |||
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