| Ipoh Kottiyam | India Standard Time | 02:30 |
| Ipoh Kottarakkara | India Standard Time | 02:30 |
| Ipoh Kothav | India Standard Time | 02:30 |
| Ipoh Koto | Japan Time | -01:00 |
| Ipoh Kotobi | Greenwich Mean Time | 08:00 |
| Ipoh Kotor | Central European Time | 07:00 |
| Ipoh Kotor Varoš | Central European Time | 07:00 |
| Ipoh Oldenburg | Central European Time | 07:00 |
| Ipoh Oldsmar | Eastern Time | 13:00 |
| Ipoh Old Lyme | Eastern Time | 13:00 |
| Ipoh Old Man Bay | Eastern Time | 13:00 |
| Ipoh Old Town | United Kingdom Time | 08:00 |
| Ipoh Old Town | Eastern Time | 13:00 |
| Ipoh Oldbrook | United Kingdom Time | 08:00 |
| Ipoh Old Basing | United Kingdom Time | 08:00 |
| Ipoh Chuo Ward | Japan Time | -01:00 |
| Ipoh Okehampton | United Kingdom Time | 08:00 |
| Ipoh Okeechobee | Eastern Time | 13:00 |
| Ipoh Parisot | Central European Time | 07:00 |
| Ipoh Paris | Central European Time | 07:00 |
| Ipoh Paris | Central European Time | 07:00 |
| Ipoh Parempuyre | Central European Time | 07:00 |
| Ipoh Parga | Eastern European Time | 06:00 |
| Ipoh Pargas | Eastern European Time | 06:00 |
| Ipoh Omar | Philippine Time | 00:00 |
| Ipoh Omerga | India Standard Time | 02:30 |
| Ipoh Olympic Valley | Pacific Time | 16:00 |
| Ipoh Ólvega | Central European Time | 07:00 |
| Ipoh Ollantaytambo | Peru Time | 13:00 |
| Ipoh Ollioules | Central European Time | 07:00 |
| Ipoh Olfen | Central European Time | 07:00 |
| Ipoh Olgiate Molgora | Central European Time | 07:00 |
| Ipoh Oliveira do Hospital | Western European Time | 08:00 |
| Ipoh Oliver | Pacific Time | 16:00 |
| Ipoh Olive Hill | Eastern Time | 13:00 |
| Ipoh Olinda | Eastern Australia Time | -03:00 |
| Ipoh Polignano A Mare | Central European Time | 07:00 |
| Ipoh Polton | United Kingdom Time | 08:00 |
| Ipoh Polruan | United Kingdom Time | 08:00 |
| Ipoh Polšnik | Central European Time | 07:00 |
| Ipoh Poli Crysochous | Eastern European Time | 06:00 |
| Ipoh Pokolbin | Eastern Australia Time | -03:00 |
| Ipoh Pasir Gudang | Malaysia Time | 00:00 |
| Ipoh Pokhari | India Standard Time | 02:30 |
| Ipoh Pont-Sainte-Marie | Central European Time | 07:00 |
| Ipoh Ponkunnam | India Standard Time | 02:30 |
| Ipoh Ponnamveli | India Standard Time | 02:30 |
| Ipoh Ponca | Central Time | 14:00 |
| Ipoh Parkville | Eastern Australia Time | -03:00 |
| Ipoh Parkwood | Eastern Australia Time | -02:00 |