Summary of DST in 2011 Worldwide
North America
| Country | Start of DST | End of DST |
| Bermuda | 2011-3-13 | 2011-11-6 |
| Canada | 2011-3-13 | 2011-11-6 |
| Cuba | 2011-3-20 | 2011-11-13 |
| Greenland | 2011-3-26 | 2011-10-29 |
| Mexico | 2011-4-3 | 2011-10-30 |
| Saint Pierre and Miquelon | 2011-3-13 | 2011-11-6 |
| The Bahamas | 2011-3-13 | 2011-11-6 |
| Turks and Caicos Islands | 2011-3-13 | 2011-11-6 |
| United States | 2011-3-13 | 2011-11-6 |
Oceania
| Country | Start of DST | End of DST |
| Australia | 2011-10-2 | 2011-4-3 |
| Fiji | 2011-10-23 | 2011-3-6 |
| New Zealand | 2011-9-25 | 2011-4-3 |
| Samoa | 2011-9-24 | 2011-4-2 |
South America
| Country | Start of DST | End of DST |
| Brazil | 2011-10-16 | 2011-2-19 |
| Chile | 2011-8-21 | 2011-5-7 |
| Paraguay | 2011-10-2 | 2011-4-9 |
| Uruguay | 2011-10-2 | 2011-3-13 |
Africa
| Country | Start of DST | End of DST |
| Burkina Faso | 2011-10-16 | 2011-2-19 |
| Morocco | 2011-4-3 | 2011-7-30 |
| Namibia | 2011-9-4 | 2011-4-3 |
Asia
| Country | Start of DST | End of DST |
| Armenia | 2011-3-27 | 2011-10-30 |
| Azerbaijan | 2011-3-27 | 2011-10-30 |
| Cyprus | 2011-3-27 | 2011-10-30 |
| Iran | 2011-3-22 | 2011-9-21 |
| Israel | 2011-4-1 | 2011-10-2 |
| Jordan | 2011-4-1 | 2011-10-28 |
| Lebanon | 2011-3-27 | 2011-10-29 |
| Nagorno-Karabakh | 2011-3-27 | 2011-10-30 |
| Northern Cyprus | 2011-3-27 | 2011-10-30 |
| Philippines | 2011-3-27 | 2011-10-30 |
| State of Palestine | 2011-4-1 | 2011-7-31 |
| Syria | 2011-4-1 | 2011-10-27 |
| Turkey | 2011-3-28 | 2011-10-30 |
Europe
| Country | Start of DST | End of DST |
| Albania | 2011-3-27 | 2011-10-30 |
| Andorra | 2011-3-27 | 2011-10-30 |
| Austria | 2011-3-27 | 2011-10-30 |
| Belgium | 2011-3-27 | 2011-10-30 |
| Bosnia and Herzegovina | 2011-3-27 | 2011-10-30 |
| Bulgaria | 2011-3-27 | 2011-10-30 |
| Croatia | 2011-3-27 | 2011-10-30 |
| Czech Republic | 2011-3-27 | 2011-10-30 |
| Denmark | 2011-3-27 | 2011-10-30 |
| Estonia | 2011-3-27 | 2011-10-30 |
| Faroe Islands | 2011-3-27 | 2011-10-30 |
| Finland | 2011-3-27 | 2011-10-30 |
| France | 2011-3-27 | 2011-10-30 |
| Germany | 2011-3-27 | 2011-10-30 |
| Gibraltar | 2011-3-27 | 2011-10-30 |
| Greece | 2011-3-27 | 2011-10-30 |
| Guernsey | 2011-3-27 | 2011-10-30 |
| Hungary | 2011-3-27 | 2011-10-30 |
| Isle of Man | 2011-3-27 | 2011-10-30 |
| Italy | 2011-3-27 | 2011-10-30 |
| Jersey | 2011-3-27 | 2011-10-30 |
| Kosovo | 2011-3-27 | 2011-10-30 |
| Latvia | 2011-3-27 | 2011-10-30 |
| Liechtenstein | 2011-3-27 | 2011-10-30 |
| Lithuania | 2011-3-27 | 2011-10-30 |
| Luxembourg | 2011-3-27 | 2011-10-30 |
| Malta | 2011-3-27 | 2011-10-30 |
| Moldova | 2011-3-27 | 2011-10-30 |
| Monaco | 2011-4-3 | 2011-7-30 |
| Montenegro | 2011-3-27 | 2011-10-30 |
| Netherlands | 2011-3-27 | 2011-10-30 |
| Norway | 2011-3-27 | 2011-10-30 |
| Poland | 2011-3-27 | 2011-10-30 |
| Portugal | 2011-3-27 | 2011-10-30 |
| Republic of Ireland | 2011-3-27 | 2011-10-30 |
| Republic of Macedonia | 2011-3-27 | 2011-10-30 |
| Romania | 2011-3-27 | 2011-10-30 |
| Russia | 2011-3-27 | 2011-10-30 |
| San Marino | 2011-3-27 | 2011-10-30 |
| Serbia | 2011-3-27 | 2011-10-30 |
| Slovakia | 2011-3-27 | 2011-10-30 |
| Slovenia | 2011-3-27 | 2011-10-30 |
| Spain | 2011-3-27 | 2011-10-30 |
| Svalbard | 2011-3-27 | 2011-10-30 |
| Sweden | 2011-3-27 | 2011-10-30 |
| Switzerland | 2011-3-27 | 2011-10-30 |
| Transnistria | 2011-3-27 | 2011-10-30 |
| Ukraine | 2011-3-27 | 2011-10-30 |
| United Kingdom | 2011-3-27 | 2011-10-30 |