Summary of DST in 2010 Worldwide
North America
| Country | Start of DST | End of DST |
| Bermuda | 2010-3-14 | 2010-11-7 |
| Canada | 2010-3-14 | 2010-11-7 |
| Cuba | 2010-3-14 | 2010-10-31 |
| Greenland | 2010-3-27 | 2010-10-30 |
| Mexico | 2010-4-4 | 2010-10-31 |
| Saint Pierre and Miquelon | 2010-3-14 | 2010-11-7 |
| The Bahamas | 2010-3-14 | 2010-11-7 |
| Turks and Caicos Islands | 2010-3-14 | 2010-11-7 |
| United States | 2010-3-14 | 2010-11-7 |
Oceania
| Country | Start of DST | End of DST |
| Australia | 2010-10-3 | 2010-4-4 |
| Fiji | 2010-10-24 | 2010-3-28 |
| New Zealand | 2010-9-26 | 2010-4-4 |
| Samoa | 2010-9-26 | - |
South America
| Country | Start of DST | End of DST |
| Brazil | 2010-10-17 | 2010-2-20 |
| Chile | 2010-10-10 | 2010-4-3 |
| Falkland Islands | - | 2010-4-18 |
| Paraguay | 2010-10-3 | 2010-4-10 |
| Uruguay | 2010-10-3 | 2010-3-14 |
Africa
| Country | Start of DST | End of DST |
| Burkina Faso | 2010-10-17 | 2010-2-20 |
| Egypt | 2010-4-30 | 2010-8-10 |
| Morocco | 2010-5-2 | 2010-8-7 |
| Namibia | 2010-9-5 | 2010-4-4 |
Asia
| Country | Start of DST | End of DST |
| Armenia | 2010-3-28 | 2010-10-31 |
| Azerbaijan | 2010-3-28 | 2010-10-31 |
| Cyprus | 2010-3-28 | 2010-10-31 |
| Iran | 2010-3-22 | 2010-9-21 |
| Israel | 2010-3-26 | 2010-9-12 |
| Jordan | 2010-3-26 | 2010-10-29 |
| Lebanon | 2010-3-28 | 2010-10-30 |
| Nagorno-Karabakh | 2010-3-28 | 2010-10-31 |
| Northern Cyprus | 2010-3-28 | 2010-10-31 |
| Philippines | 2010-3-28 | 2010-10-31 |
| State of Palestine | 2010-3-27 | 2010-8-10 |
| Syria | 2010-4-2 | 2010-10-28 |
| Turkey | 2010-3-28 | 2010-10-31 |
Europe
| Country | Start of DST | End of DST |
| Albania | 2010-3-28 | 2010-10-31 |
| Andorra | 2010-3-28 | 2010-10-31 |
| Austria | 2010-3-28 | 2010-10-31 |
| Belarus | 2010-3-28 | 2010-10-31 |
| Belgium | 2010-3-28 | 2010-10-31 |
| Bosnia and Herzegovina | 2010-3-28 | 2010-10-31 |
| Bulgaria | 2010-3-28 | 2010-10-31 |
| Croatia | 2010-3-28 | 2010-10-31 |
| Czech Republic | 2010-3-28 | 2010-10-31 |
| Denmark | 2010-3-28 | 2010-10-31 |
| Estonia | 2010-3-28 | 2010-10-31 |
| Faroe Islands | 2010-3-28 | 2010-10-31 |
| Finland | 2010-3-28 | 2010-10-31 |
| France | 2010-3-28 | 2010-10-31 |
| Germany | 2010-3-28 | 2010-10-31 |
| Gibraltar | 2010-3-28 | 2010-10-31 |
| Greece | 2010-3-28 | 2010-10-31 |
| Guernsey | 2010-3-28 | 2010-10-31 |
| Hungary | 2010-3-28 | 2010-10-31 |
| Isle of Man | 2010-3-28 | 2010-10-31 |
| Italy | 2010-3-28 | 2010-10-31 |
| Jersey | 2010-3-28 | 2010-10-31 |
| Kosovo | 2010-3-28 | 2010-10-31 |
| Latvia | 2010-3-28 | 2010-10-31 |
| Liechtenstein | 2010-3-28 | 2010-10-31 |
| Lithuania | 2010-3-28 | 2010-10-31 |
| Luxembourg | 2010-3-28 | 2010-10-31 |
| Malta | 2010-3-28 | 2010-10-31 |
| Moldova | 2010-3-28 | 2010-10-31 |
| Monaco | 2010-5-2 | 2010-8-7 |
| Montenegro | 2010-3-28 | 2010-10-31 |
| Netherlands | 2010-3-28 | 2010-10-31 |
| Norway | 2010-3-28 | 2010-10-31 |
| Poland | 2010-3-28 | 2010-10-31 |
| Portugal | 2010-3-28 | 2010-10-31 |
| Republic of Ireland | 2010-3-28 | 2010-10-31 |
| Republic of Macedonia | 2010-3-28 | 2010-10-31 |
| Romania | 2010-3-28 | 2010-10-31 |
| Russia | 2010-3-28 | 2010-10-31 |
| San Marino | 2010-3-28 | 2010-10-31 |
| Serbia | 2010-3-28 | 2010-10-31 |
| Slovakia | 2010-3-28 | 2010-10-31 |
| Slovenia | 2010-3-28 | 2010-10-31 |
| Spain | 2010-3-28 | 2010-10-31 |
| Svalbard | 2010-3-28 | 2010-10-31 |
| Sweden | 2010-3-28 | 2010-10-31 |
| Switzerland | 2010-3-28 | 2010-10-31 |
| Transnistria | 2010-3-28 | 2010-10-31 |
| Ukraine | 2010-3-28 | 2010-10-31 |
| United Kingdom | 2010-3-28 | 2010-10-31 |