| Date | Weekday | Text | Observed | |||
|---|---|---|---|---|---|---|
| Other states | ||||||
| 28 May | Sunday | US: Memorial Day/Decoration Day, a legal holiday (1868] | ||||
| 28 May | Sunday | RELIGIOUS | old Roman Catholic: Feast of St Augustine, 1st achbp of Canterbury, confessor | |||
| 28 May | Sunday | RELIGIOUS | Christ: Commemoration of St Bernard of Montjoux, patron of mountain climbers | |||
| 28 May | Sunday | RELIGIOUS | Christian: Solemnity of the Ascension | |||
| Andorra | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Armenia | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Republic Day | |||
| Australia | ||||||
| 28 May 2012 | Monday | CHRISTIAN | Whit Monday | |||
| Austria | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Azerbaijan | ||||||
| 28 May 2012 | Monday | PUBLIC HOLIDAY | Republic Day | |||
| Bahamas | ||||||
| 28 May 2012 | Monday | PUBLIC HOLIDAY | Whit Monday | |||
| Barbados | ||||||
| 28 May 2012 | Monday | PUBLIC HOLIDAY | Whit Monday | |||
| Belgium | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Canada | ||||||
| 28 May 2012 | Monday | CHRISTIAN | Whit Monday | |||
| Czech | ||||||
| 28 May 2012 | Monday | CHRISTIAN | Whit Monday | |||
| Denmark | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Ethiopia | ||||||
| 28 May 2012 | Monday | PUBLIC HOLIDAY | Derg Downfall Day | |||
| France | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Germany | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Hungary | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Iceland | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Ivory-coast | ||||||
| 28 May 2012 | Monday | PUBLIC HOLIDAY | Whit Monday | |||
| Liechtenstein | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Luxembourg | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Monaco | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Netherlands | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| Norway | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Whit Monday | |||
| South-korea | ||||||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Buddha's Birthday | |||
| Spain | ||||||
| 28 May 2012 | Monday | LOCAL HOLIDAY | Whit Monday | Barcelona | ||
| Switzerland | ||||||
| 28 May 2012 | Monday | COMMON LOCAL HOLIDAY | Pentecost Monday | All except VS | ||
| Uk | ||||||
| 28 May 2012 | Monday | CHRISTIAN | Whit Monday | |||
| USA | ||||||
| 28 May 2012 | Monday | CHRISTIAN | Whit Monday | |||
| 28 May 2012 | Monday | NATIONAL HOLIDAY | Memorial Day | |||
| 28 May 2012 | Monday | LOCAL OBSERVANCE | Jefferson Davis Birthday | Mississippi | ||
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