| Oakham Tha Hin | Indochina Time | -06:00 |
| Oakham Windsor | Eastern Australia Time | -09:00 |
| Oakham Špindlerův Mlýn | Central European Time | -01:00 |
| Oakham Wommelgem | Central European Time | -01:00 |
| Oakham Spotorno | Central European Time | -01:00 |
| Oakham Wolverton | United Kingdom Time | 00:00 |
| Oakham Sprang-Capelle | Central European Time | -01:00 |
| Oakham Woodbridge | Eastern Time | 05:00 |
| Oakham Spreitenbach | Central European Time | -01:00 |
| Oakham Woodbridge Township | Eastern Time | 05:00 |
| Oakham Spiegelberg | Central European Time | -01:00 |
| Oakham Woodcroft | Central Australia Time | -08:30 |
| Oakham Spearfish | Mountain Time | 07:00 |
| Oakham Speightstown | Atlantic Time | 05:00 |
| Oakham Springbrook | Eastern Australia Time | -09:00 |
| Oakham Spring Grove | Central Time | 06:00 |
| Oakham Spring Lake Park | Central Time | 06:00 |
| Oakham Srimushnam | India Standard Time | -04:30 |
| Oakham Srikalahasti | India Standard Time | -04:30 |
| Oakham Squamish | Pacific Time | 08:00 |
| Oakham Springvale South | Eastern Australia Time | -09:00 |
| Oakham Sri Aman | Malaysia Time | -07:00 |
| Oakham Sparta Township | Eastern Time | 05:00 |
| Oakham Spanish Fort | Central Time | 06:00 |
| Oakham Spaichingen | Central European Time | -01:00 |
| Oakham Shirakawa | Japan Time | -08:00 |
| Oakham Shippagan | Atlantic Time | 04:00 |
| Oakham Shipshewana | Eastern Time | 05:00 |
| Oakham Shirahama | Japan Time | -08:00 |
| Oakham Shinagawa | Japan Time | -08:00 |
| Oakham Shinjuku | Japan Time | -08:00 |
| Oakham Yorktown Heights | Eastern Time | 05:00 |
| Oakham Yoshinogari | Japan Time | -08:00 |
| Oakham Yodogawa Ward | Japan Time | -08:00 |
| Oakham Yoxford | United Kingdom Time | 00:00 |
| Oakham Youngsville | Central Time | 06:00 |
| Oakham Yountville | Pacific Time | 08:00 |
| Oakham Ypres | Central European Time | -01:00 |