Summary of DST in 2005 Worldwide
North America
| Country | Start of DST | End of DST |
| Bermuda | 2005-4-3 | 2005-10-30 |
| Canada | 2005-4-3 | 2005-10-30 |
| Greenland | 2005-3-26 | 2005-10-29 |
| Haiti | 2005-4-3 | 2005-10-29 |
| Mexico | 2005-4-3 | 2005-10-30 |
| Nicaragua | 2005-4-10 | 2005-10-1 |
| Saint Pierre and Miquelon | 2005-4-3 | 2005-10-30 |
| The Bahamas | 2005-4-3 | 2005-10-30 |
| Turks and Caicos Islands | 2005-4-3 | 2005-10-30 |
| United States | 2005-4-3 | 2005-10-30 |
Oceania
| Country | Start of DST | End of DST |
| Australia | 2005-10-30 | 2005-3-27 |
| New Zealand | 2005-10-2 | 2005-3-20 |
South America
| Country | Start of DST | End of DST |
| Brazil | 2005-10-16 | 2005-2-19 |
| Chile | 2005-10-9 | 2005-3-12 |
| Falkland Islands | 2005-9-4 | 2005-4-17 |
| Paraguay | 2005-10-16 | 2005-3-12 |
| Uruguay | 2005-10-9 | 2005-3-27 |
Africa
| Country | Start of DST | End of DST |
| Burkina Faso | 2005-10-16 | 2005-2-19 |
| Egypt | 2005-4-29 | 2005-9-29 |
| Namibia | 2005-9-4 | 2005-4-3 |
| Tunisia | 2005-5-1 | 2005-9-30 |
Asia
| Country | Start of DST | End of DST |
| Armenia | 2005-3-27 | 2005-10-30 |
| Azerbaijan | 2005-3-27 | 2005-10-30 |
| Cyprus | 2005-3-27 | 2005-10-30 |
| Iran | 2005-3-22 | 2005-9-21 |
| Iraq | 2005-4-1 | 2005-10-1 |
| Israel | 2005-4-1 | 2005-10-9 |
| Jordan | 2005-4-1 | 2005-9-30 |
| Kyrgyzstan | 2005-3-27 | 2005-8-12 |
| Lebanon | 2005-3-27 | 2005-10-29 |
| Mongolia | 2005-3-26 | 2005-9-24 |
| Nagorno-Karabakh | 2005-3-27 | 2005-10-30 |
| Northern Cyprus | 2005-3-27 | 2005-10-30 |
| Philippines | 2005-3-27 | 2005-10-30 |
| State of Palestine | 2005-4-15 | 2005-10-4 |
| Syria | 2005-4-1 | 2005-9-30 |
| Turkey | 2005-3-27 | 2005-10-30 |
Europe
| Country | Start of DST | End of DST |
| Albania | 2005-3-27 | 2005-10-30 |
| Andorra | 2005-3-27 | 2005-10-30 |
| Austria | 2005-3-27 | 2005-10-30 |
| Belarus | 2005-3-27 | 2005-10-30 |
| Belgium | 2005-3-27 | 2005-10-30 |
| Bosnia and Herzegovina | 2005-3-27 | 2005-10-30 |
| Bulgaria | 2005-3-27 | 2005-10-30 |
| Croatia | 2005-3-27 | 2005-10-30 |
| Czech Republic | 2005-3-27 | 2005-10-30 |
| Denmark | 2005-3-27 | 2005-10-30 |
| Estonia | 2005-3-27 | 2005-10-30 |
| Faroe Islands | 2005-3-27 | 2005-10-30 |
| Finland | 2005-3-27 | 2005-10-30 |
| France | 2005-3-27 | 2005-10-30 |
| Germany | 2005-3-27 | 2005-10-30 |
| Gibraltar | 2005-3-27 | 2005-10-30 |
| Greece | 2005-3-27 | 2005-10-30 |
| Guernsey | 2005-3-27 | 2005-10-30 |
| Hungary | 2005-3-27 | 2005-10-30 |
| Isle of Man | 2005-3-27 | 2005-10-30 |
| Italy | 2005-3-27 | 2005-10-30 |
| Jersey | 2005-3-27 | 2005-10-30 |
| Kosovo | 2005-3-27 | 2005-10-30 |
| Latvia | 2005-3-27 | 2005-10-30 |
| Liechtenstein | 2005-3-27 | 2005-10-30 |
| Lithuania | 2005-3-27 | 2005-10-30 |
| Luxembourg | 2005-3-27 | 2005-10-30 |
| Malta | 2005-3-27 | 2005-10-30 |
| Moldova | 2005-3-27 | 2005-10-30 |
| Montenegro | 2005-3-27 | 2005-10-30 |
| Netherlands | 2005-3-27 | 2005-10-30 |
| Norway | 2005-3-27 | 2005-10-30 |
| Poland | 2005-3-27 | 2005-10-30 |
| Portugal | 2005-3-27 | 2005-10-30 |
| Republic of Ireland | 2005-3-27 | 2005-10-30 |
| Republic of Macedonia | 2005-3-27 | 2005-10-30 |
| Romania | 2005-3-27 | 2005-10-30 |
| Russia | 2005-3-27 | 2005-10-30 |
| San Marino | 2005-3-27 | 2005-10-30 |
| Serbia | 2005-3-27 | 2005-10-30 |
| Slovakia | 2005-3-27 | 2005-10-30 |
| Slovenia | 2005-3-27 | 2005-10-30 |
| Spain | 2005-3-27 | 2005-10-30 |
| Svalbard | 2005-3-27 | 2005-10-30 |
| Sweden | 2005-3-27 | 2005-10-30 |
| Switzerland | 2005-3-27 | 2005-10-30 |
| Transnistria | 2005-3-27 | 2005-10-30 |
| Ukraine | 2005-3-27 | 2005-10-30 |
| United Kingdom | 2005-3-27 | 2005-10-30 |