Mga pagbabago sa daylight saving time sa 2021
- Albania
- Andorra
- Australia
- Austria
- Bahamas
- Belgium
- Bermuda
- Bosnia and Herzegovina
- Bulgaria
- Canada
- Chile
- Croatia
- Cuba
- Cyprus
- Czechia
- Denmark
- Estonia
- Faroe Islands
- Fiji
- Finland
- France
- Germany
- Gibraltar
- Greece
- Greenland
- Haiti
- Hungary
- Iran
- Ireland
- Isle of Man
- Israel
- Italy
- Jersey
- Jordan
- Kosovo
- Latvia
- Lebanon
- Liechtenstein
- Lithuania
- Luxembourg
- Malta
- Mexico
- Monaco
- Montenegro
- Morocco
- Netherlands
- New Zealand
- Norfolk Island
- North Macedonia
- Norway
- Palestinian Territories
- Paraguay
- Poland
- Portugal
- Romania
- Samoa
- Serbia
- Slovakia
- Slovenia
| Bansa | Susunod na pagbabago ng DST | Direksyon |
|---|---|---|
| Albania | 2021-03-28 | pasulong |
| Andorra | 2021-03-28 | pasulong |
| Australia | 2021-04-03 | paurong |
| Austria | 2021-03-28 | pasulong |
| Bahamas | 2021-03-14 | pasulong |
| Belgium | 2021-03-28 | pasulong |
| Bermuda | 2021-03-14 | pasulong |
| Bosnia and Herzegovina | 2021-03-28 | pasulong |
| Bulgaria | 2021-03-28 | pasulong |
| Canada | 2021-03-14 | pasulong |
| Chile | 2021-04-04 | paurong |
| Croatia | 2021-03-28 | pasulong |
| Cuba | 2021-03-14 | pasulong |
| Cyprus | 2021-03-28 | pasulong |
| Czechia | 2021-03-28 | pasulong |
| Denmark | 2021-03-28 | pasulong |
| Estonia | 2021-03-28 | pasulong |
| Faroe Islands | 2021-03-28 | pasulong |
| Fiji | 2021-01-16 | paurong |
| Finland | 2021-03-28 | pasulong |
| France | 2021-03-28 | pasulong |
| Germany | 2021-03-28 | pasulong |
| Gibraltar | 2021-03-28 | pasulong |
| Greece | 2021-03-28 | pasulong |
| Greenland | 2021-03-28 | pasulong |
| Haiti | 2021-03-14 | pasulong |
| Hungary | 2021-03-28 | pasulong |
| Iran | 2021-03-21 | pasulong |
| Ireland | 2021-03-28 | pasulong |
| Isle of Man | 2021-03-28 | pasulong |
| Israel | 2021-03-26 | pasulong |
| Italy | 2021-03-28 | pasulong |
| Jersey | 2021-03-28 | pasulong |
| Jordan | 2021-03-25 | pasulong |
| Kosovo | 2021-03-28 | pasulong |
| Latvia | 2021-03-28 | pasulong |
| Lebanon | 2021-03-27 | pasulong |
| Liechtenstein | 2021-03-28 | pasulong |
| Lithuania | 2021-03-28 | pasulong |
| Luxembourg | 2021-03-28 | pasulong |
| Malta | 2021-03-28 | pasulong |
| Mexico | 2021-04-04 | pasulong |
| Monaco | 2021-03-28 | pasulong |
| Montenegro | 2021-03-28 | pasulong |
| Morocco | 2021-04-11 | paurong |
| Netherlands | 2021-03-28 | pasulong |
| New Zealand | 2021-04-03 | paurong |
| Norfolk Island | 2021-04-03 | paurong |
| North Macedonia | 2021-03-28 | pasulong |
| Norway | 2021-03-28 | pasulong |
| Palestinian Territories | 2021-03-26 | pasulong |
| Paraguay | 2021-03-28 | paurong |
| Poland | 2021-03-28 | pasulong |
| Portugal | 2021-03-28 | pasulong |
| Romania | 2021-03-28 | pasulong |
| Samoa | 2021-04-03 | paurong |
| Serbia | 2021-03-28 | pasulong |
| Slovakia | 2021-03-28 | pasulong |
| Slovenia | 2021-03-28 | pasulong |