Mabadiliko ya saa za kuokoa mwangaza wa mchana mwaka 2021
- Albania
- Andorra
- Australia
- Austria
- Ayalandi
- Bahama
- Bermuda
- Bosnia na Hezegovina
- Bulgaria
- Chechia
- Chile
- Croatia
- Denmaki
- Estonia
- Fiji
- Gibraltar
- Greenland
- Haiti
- Hungaria
- Iran
- Israeli
- Italia
- Jersey
- Jordan
- Kanada
- Kisiwa cha Man
- Kisiwa cha Norfolk
- Kosovo
- Kuba
- Latvia
- Lebanon
- Liechtenstein
- Lithuania
- Luxembourg
- Maeneo ya Palestina
- Malta
- Masedonia ya Kaskazini
- Meksiko
- Mji wa Vatican
- Monaco
- Montenegro
- Morocco
- Norway
- Nyuzilandi
- Paraguay
- Poland
- Romania
- Saiprasi
- Samoa
- Santapierre na Miquelon
- Serbia
- Slovakia
- Slovenia
- Sudan Kusini
- Svalbard na Jan Mayen
- Syria
| Nchi | Mabadiliko yajayo ya DST | Mwelekeo |
|---|---|---|
| Albania | 2021-03-28 | mbele |
| Andorra | 2021-03-28 | mbele |
| Australia | 2021-04-03 | nyuma |
| Austria | 2021-03-28 | mbele |
| Ayalandi | 2021-03-28 | mbele |
| Bahama | 2021-03-14 | mbele |
| Bermuda | 2021-03-14 | mbele |
| Bosnia na Hezegovina | 2021-03-28 | mbele |
| Bulgaria | 2021-03-28 | mbele |
| Chechia | 2021-03-28 | mbele |
| Chile | 2021-04-04 | nyuma |
| Croatia | 2021-03-28 | mbele |
| Denmaki | 2021-03-28 | mbele |
| Estonia | 2021-03-28 | mbele |
| Fiji | 2021-01-16 | nyuma |
| Gibraltar | 2021-03-28 | mbele |
| Greenland | 2021-03-28 | mbele |
| Haiti | 2021-03-14 | mbele |
| Hungaria | 2021-03-28 | mbele |
| Iran | 2021-03-21 | mbele |
| Israeli | 2021-03-26 | mbele |
| Italia | 2021-03-28 | mbele |
| Jersey | 2021-03-28 | mbele |
| Jordan | 2021-03-25 | mbele |
| Kanada | 2021-03-14 | mbele |
| Kisiwa cha Man | 2021-03-28 | mbele |
| Kisiwa cha Norfolk | 2021-04-03 | nyuma |
| Kosovo | 2021-03-28 | mbele |
| Kuba | 2021-03-14 | mbele |
| Latvia | 2021-03-28 | mbele |
| Lebanon | 2021-03-27 | mbele |
| Liechtenstein | 2021-03-28 | mbele |
| Lithuania | 2021-03-28 | mbele |
| Luxembourg | 2021-03-28 | mbele |
| Maeneo ya Palestina | 2021-03-26 | mbele |
| Malta | 2021-03-28 | mbele |
| Masedonia ya Kaskazini | 2021-03-28 | mbele |
| Meksiko | 2021-04-04 | mbele |
| Mji wa Vatican | 2021-03-28 | mbele |
| Monaco | 2021-03-28 | mbele |
| Montenegro | 2021-03-28 | mbele |
| Morocco | 2021-04-11 | nyuma |
| Norway | 2021-03-28 | mbele |
| Nyuzilandi | 2021-04-03 | nyuma |
| Paraguay | 2021-03-28 | nyuma |
| Poland | 2021-03-28 | mbele |
| Romania | 2021-03-28 | mbele |
| Saiprasi | 2021-03-28 | mbele |
| Samoa | 2021-04-03 | nyuma |
| Santapierre na Miquelon | 2021-03-14 | mbele |
| Serbia | 2021-03-28 | mbele |
| Slovakia | 2021-03-28 | mbele |
| Slovenia | 2021-03-28 | mbele |
| Sudan Kusini | 2021-01-31 | nyuma |
| Svalbard na Jan Mayen | 2021-03-28 | mbele |
| Syria | 2021-03-25 | mbele |