| Alor Setar Hong | Central European Time | 07:00 |
| Alor Setar Hong Kong | Hong Kong Time | 00:00 |
| Alor Setar Hong Kong | Hong Kong Time | 00:00 |
| Alor Setar Hong Kong | Hong Kong Time | 00:00 |
| Alor Setar Hounslow | United Kingdom Time | 08:00 |
| Alor Setar Hotchkiss | Mountain Time | 15:00 |
| Alor Setar Hoylake | United Kingdom Time | 08:00 |
| Alor Setar Howell | Eastern Time | 13:00 |
| Alor Setar Howrah | India Standard Time | 02:30 |
| Alor Setar Hoxie | Central Time | 14:00 |
| Alor Setar Huanggang | China Time | 00:00 |
| Alor Setar Huajuapan de León | Central Time | 14:00 |
| Alor Setar Himmelkron | Central European Time | 07:00 |
| Alor Setar Hima | East Africa Time | 05:00 |
| Alor Setar Hillsborough | Eastern Time | 13:00 |
| Alor Setar Hioki | Japan Time | -01:00 |
| Alor Setar Hiram | Eastern Time | 13:00 |
| Alor Setar Hingham | Eastern Time | 13:00 |
| Alor Setar Hochdorf | Central European Time | 07:00 |
| Alor Setar Hitzacker | Central European Time | 07:00 |
| Alor Setar Homebush | Eastern Australia Time | -03:00 |
| Alor Setar Hondarribia | Central European Time | 07:00 |
| Alor Setar Homps | Central European Time | 07:00 |
| Alor Setar Holywood | United Kingdom Time | 08:00 |
| Alor Setar Holmes Beach | Eastern Time | 13:00 |
| Alor Setar Holme's Hill | United Kingdom Time | 08:00 |
| Alor Setar Hollywood | Eastern Time | 13:00 |
| Alor Setar Holly Hill | Eastern Time | 13:00 |
| Alor Setar Holly Hill | Eastern Time | 13:00 |
| Alor Setar Hokes Bluff | Central Time | 14:00 |
| Alor Setar Hokuto | Japan Time | -01:00 |
| Alor Setar Holden Hill | Central Australia Time | -02:30 |
| Alor Setar Holdenville | Central Time | 14:00 |
| Alor Setar Holdorf | Central European Time | 07:00 |
| Alor Setar Holdrege | Central Time | 14:00 |
| Alor Setar Holesov | Central European Time | 07:00 |
| Alor Setar Holgate | Eastern Australia Time | -03:00 |
| Alor Setar Hogsback | South Africa Standard Time | 06:00 |
| Alor Setar Hofheim | Central European Time | 07:00 |
| Alor Setar Hoge Hexel | Central European Time | 07:00 |
| Alor Setar Heubach | Central European Time | 07:00 |
| Alor Setar Hethersett | United Kingdom Time | 08:00 |
| Alor Setar Hewlett | Eastern Time | 13:00 |
| Alor Setar Hexham | Eastern Australia Time | -03:00 |
| Alor Setar Hexham | United Kingdom Time | 08:00 |
| Alor Setar Heydon | United Kingdom Time | 08:00 |
| Alor Setar Highgate | Western Australia Time | 00:00 |
| Alor Setar High Falls | Eastern Time | 13:00 |
| Alor Setar Higashiyama Ward | Japan Time | -01:00 |
| Alor Setar Higashi Ward | Japan Time | -01:00 |