| Date | Exchange | Short code | Holiday description |
|---|
| | |
| 2012 Feb. 20 | American Stock Exchange | AMEX | Presidents' Day |
| 2012 Feb. 20 | NASDAQ Global Markets | NASDAQ NM | Presidents' Day |
| 2012 Feb. 20 | NASDAQ Capital Market | NASDAQ SC | Presidents' Day |
| 2012 Feb. 20 | New York Stock Exchange | NYSE | Presidents' Day |
| 2012 Feb. 20 | NYSE ARCA | NYSE_ARCA | Presidents' Day |
| 2012 Feb. 20 | Other OTC on NASDAQ (Pink Sheets) | OOTC | Presidents' Day |
| 2012 Feb. 20 | OTC Bulletin Board on NASDAQ | OTCBB | Presidents' Day |
| 2012 Feb. 20 | Toronto Stock Exchange | TSE | Family Day |
| 2012 Feb. 27 | Athens Stock Exchange | AT | Shrove Monday (Orthodox) |
| 2012 Mar. 12 | Australian Stock Exchange Ltd. | ASX | Labour Day/Normal trading |
| 2012 Mar. 20 | Tokyo Stock Exchange | TYO | Vernal Equinox |
| 2012 Mar. 21 | Johannesburg Stock Exchange | JSE | Human Rights Day |
| 2012 Apr. 04 | Hong Kong Stock Exchange | HKEX | Ching Ming Festival |
| 2012 Apr. 05 | OMX Copenhagen | CSE | Holy Thursday |
| 2012 Apr. 05 | Oslo Stock Exchange | OSE | Holy Thursday |
| 2012 Apr. 05 | OMX Stockholm | SSE | Early Close 13:00 |
| 2012 Apr. 06 | American Stock Exchange | AMEX | Good Friday |
| 2012 Apr. 06 | Euronext Amsterdam | AMS | Good Friday |
| 2012 Apr. 06 | Australian Stock Exchange Ltd. | ASX | Good Friday |
| 2012 Apr. 06 | Athens Stock Exchange | AT | Good Friday (Catholic) |
| 2012 Apr. 06 | Euronext Brussels | BRU | Good Friday |
| 2012 Apr. 06 | OMX Copenhagen | CSE | Good Friday |
| 2012 Apr. 06 | Frankfurt /Xetra Stock Exchange | FSE | Good Friday |
| 2012 Apr. 06 | Hong Kong Stock Exchange | HKEX | Good Friday |
| 2012 Apr. 06 | OMX Helsinki | HSE | Good Friday |
| 2012 Apr. 06 | Johannesburg Stock Exchange | JSE | Good Friday |
| 2012 Apr. 06 | Euronext Lisbon | LISB | Good Friday |
| 2012 Apr. 06 | London Stock Exchange | LSE | Good Friday |
| 2012 Apr. 06 | London International Exchange | LSE_INTL | Early Close 00:00 |
| 2012 Apr. 06 | London Stock Exchange SEAQ Market | LSE_SEAQ | Good Friday |
| 2012 Apr. 06 | London Stock Exchange SETS Market | LSE_SETS | Good Friday |
| 2012 Apr. 06 | Borsa Italiana – Blue Chip, Star & MTA Int. | MIL | Good Friday |
| 2012 Apr. 06 | NASDAQ Global Markets | NASDAQ NM | Good Friday |
| 2012 Apr. 06 | NASDAQ Capital Market | NASDAQ SC | Good Friday |
| 2012 Apr. 06 | New York Stock Exchange | NYSE | Good Friday |
| 2012 Apr. 06 | NYSE ARCA | NYSE_ARCA | Good Friday |
| 2012 Apr. 06 | Other OTC on NASDAQ (Pink Sheets) | OOTC | Good Friday |
| 2012 Apr. 06 | Oslo Stock Exchange | OSE | Good Friday |
| 2012 Apr. 06 | OTC Bulletin Board on NASDAQ | OTCBB | Good Friday |
| 2012 Apr. 06 | Euronext Paris | PAR | Good Friday |
| 2012 Apr. 06 | Singapore Exchange Securities Trading Limited | SGX-ST | Good Friday |
| 2012 Apr. 06 | Sistema De Interconexion Bursatil Espanol | SIBE | Good Friday |
| 2012 Apr. 06 | OMX Stockholm | SSE | Good Friday |
| 2012 Apr. 06 | Swiss Exchange | SWX | Good Friday |
| 2012 Apr. 06 | Toronto Stock Exchange | TSE | Good Friday |
| 2012 Apr. 06 | Wiener Börse (Vienna) Stock Exchange | VIE | Good Friday |
| 2012 Apr. 06 | SWX Europe | VX | Good Friday |
| 2012 Apr. 06 | Warsaw Stock Exchange | WSE | Good Friday |
| 2012 Apr. 09 | Euronext Amsterdam | AMS | Easter Monday |
| 2012 Apr. 09 | Australian Stock Exchange Ltd. | ASX | Easter Monday |
| 2012 Apr. 09 | Athens Stock Exchange | AT | Easter Monday (Catholic) |
| 2012 Apr. 09 | Euronext Brussels | BRU | Easter Monday |
| 2012 Apr. 09 | OMX Copenhagen | CSE | Easter Monday |
| 2012 Apr. 09 | Frankfurt /Xetra Stock Exchange | FSE | Easter Monday |
| 2012 Apr. 09 | Hong Kong Stock Exchange | HKEX | Easter Monday |
| 2012 Apr. 09 | OMX Helsinki | HSE | Easter Monday |
| 2012 Apr. 09 | Johannesburg Stock Exchange | JSE | Family Day (Easter Monday) |
| 2012 Apr. 09 | Euronext Lisbon | LISB | Easter Monday |
| 2012 Apr. 09 | London Stock Exchange | LSE | Easter Monday |
| 2012 Apr. 09 | London International Exchange | LSE_INTL | Early Close 00:00 |
| 2012 Apr. 09 | London Stock Exchange SEAQ Market | LSE_SEAQ | Easter Monday |
| 2012 Apr. 09 | London Stock Exchange SETS Market | LSE_SETS | Easter Monday |
| 2012 Apr. 09 | Borsa Italiana – Blue Chip, Star & MTA Int. | MIL | Easter Monday |
| 2012 Apr. 09 | Oslo Stock Exchange | OSE | Easter Monday |
| 2012 Apr. 09 | Euronext Paris | PAR | Easter Monday |
| 2012 Apr. 09 | Prague Stock Exchange | PRA | Easter Monday |
| 2012 Apr. 09 | Sistema De Interconexion Bursatil Espanol | SIBE | Easter Monday |
| 2012 Apr. 09 | OMX Stockholm | SSE | Easter Monday |
| 2012 Apr. 09 | Swiss Exchange | SWX | Easter Monday |
| 2012 Apr. 09 | Wiener Börse (Vienna) Stock Exchange | VIE | Easter Monday |
| 2012 Apr. 09 | SWX Europe | VX | Easter Monday |
| 2012 Apr. 09 | Warsaw Stock Exchange | WSE | Easter Monday |
| 2012 Apr. 13 | Athens Stock Exchange | AT | Good Friday (Orthodox) |
| 2012 Apr. 16 | Athens Stock Exchange | AT | Easter Monday (Orthodox) |
| 2012 Apr. 25 | Australian Stock Exchange Ltd. | ASX | ANZAC Day |
| 2012 Apr. 27 | Johannesburg Stock Exchange | JSE | Freedom Day |
| 2012 Apr. 30 | OMX Stockholm | SSE | Early Close 13:00 |
| 2012 Apr. 30 | Tokyo Stock Exchange | TYO | Greenery Day (formerly Emperor's Birthday) OBS |
| 2012 May. 01 | Euronext Amsterdam | AMS | Labour Day |
| 2012 May. 01 | Athens Stock Exchange | AT | Labour Day |
| 2012 May. 01 | Euronext Brussels | BRU | Labour Day |
| 2012 May. 01 | Frankfurt /Xetra Stock Exchange | FSE | Labour Day |
| 2012 May. 01 | Hong Kong Stock Exchange | HKEX | Labour Day |
| 2012 May. 01 | OMX Helsinki | HSE | Labour Day |
| 2012 May. 01 | Johannesburg Stock Exchange | JSE | Workers' Day |
| 2012 May. 01 | Euronext Lisbon | LISB | Labour Day |
| 2012 May. 01 | Borsa Italiana – Blue Chip, Star & MTA Int. | MIL | Labour Day |
| 2012 May. 01 | Oslo Stock Exchange | OSE | Labour Day |
| 2012 May. 01 | Euronext Paris | PAR | Labour Day |
| 2012 May. 01 | Prague Stock Exchange | PRA | May Day |
| 2012 May. 01 | Singapore Exchange Securities Trading Limited | SGX-ST | Labour Day |
| 2012 May. 01 | Sistema De Interconexion Bursatil Espanol | SIBE | Labour Day |
| 2012 May. 01 | OMX Stockholm | SSE | Labour Day |
| 2012 May. 01 | Swiss Exchange | SWX | Labour Day |
| 2012 May. 01 | Wiener Börse (Vienna) Stock Exchange | VIE | Labour Day |
| 2012 May. 01 | SWX Europe | VX | Labour Day |
| 2012 May. 01 | Warsaw Stock Exchange | WSE | State Holiday/Labour Day |
| 2012 May. 03 | Tokyo Stock Exchange | TYO | Constitution Day |
| 2012 May. 03 | Warsaw Stock Exchange | WSE | Constitution Day |
| 2012 May. 04 | OMX Copenhagen | CSE | General Prayer Day |
| 2012 May. 04 | Tokyo Stock Exchange | TYO | National Holiday |
| 2012 May. 07 | London Stock Exchange | LSE | Early May Bank Holiday |
| 2012 May. 07 | London International Exchange | LSE_INTL | Early Close 00:00 |
| 2012 May. 07 | London Stock Exchange SEAQ Market | LSE_SEAQ | Early May Bank Holiday |
| 2012 May. 07 | London Stock Exchange SETS Market | LSE_SETS | Early May Bank Holiday |
| 2012 May. 08 | Prague Stock Exchange | PRA | Liberation from Fascism |