| Ross-on-Wye Hershey | Eastern Time | 05:00 |
| Ross-on-Wye Illueca | Central European Time | -01:00 |
| Ross-on-Wye Imboden | Central Time | 06:00 |
| Ross-on-Wye Immenstadt | Central European Time | -01:00 |
| Ross-on-Wye Ilavala Hobli | India Standard Time | -04:30 |
| Ross-on-Wye Ileret | East Africa Time | -02:00 |
| Ross-on-Wye Ikšķile | Eastern European Time | -02:00 |
| Ross-on-Wye Iligan City | Philippine Time | -07:00 |
| Ross-on-Wye Ilford | United Kingdom Time | 00:00 |
| Ross-on-Wye Ilfracombe | United Kingdom Time | 00:00 |
| Ross-on-Wye Kriftel | Central European Time | -01:00 |
| Ross-on-Wye Kham Yai | Indochina Time | -06:00 |
| Ross-on-Wye Keystone | Mountain Time | 07:00 |
| Ross-on-Wye Khao Phang | Indochina Time | -06:00 |
| Ross-on-Wye Khanote | Pakistan Time | -04:00 |
| Ross-on-Wye Johns Island | Eastern Time | 05:00 |
| Ross-on-Wye Jojutla de Juárez | Central Time | 06:00 |
| Ross-on-Wye Jonesborough | Eastern Time | 05:00 |
| Ross-on-Wye Jonestown | Central Time | 06:00 |
| Ross-on-Wye Jonesville | Eastern Time | 05:00 |
| Ross-on-Wye Joondalup | Western Australia Time | -07:00 |
| Ross-on-Wye Jordan | Central Time | 06:00 |
| Ross-on-Wye Joshua Tree | Pacific Time | 08:00 |
| Ross-on-Wye Kerpen | Central European Time | -01:00 |
| Ross-on-Wye Kérou | West Africa Time | 00:00 |
| Ross-on-Wye Kernen | Central European Time | -01:00 |
| Ross-on-Wye Junagadh district | India Standard Time | -04:30 |
| Ross-on-Wye Kettleman City | Pacific Time | 08:00 |
| Ross-on-Wye Kewanee | Central Time | 06:00 |
| Ross-on-Wye Key Biscayne | Eastern Time | 05:00 |
| Ross-on-Wye Key Largo | Eastern Time | 05:00 |
| Ross-on-Wye Khadki | India Standard Time | -04:30 |
| Ross-on-Wye Kfar Monash | Israel Time | -02:00 |
| Ross-on-Wye Kfar Saba | Israel Time | -02:00 |
| Ross-on-Wye Kfar Tavor | Israel Time | -02:00 |
| Ross-on-Wye Keswick | United Kingdom Time | 00:00 |
| Ross-on-Wye Kesare | India Standard Time | -04:30 |
| Ross-on-Wye Ketchikan | Alaska Time | 09:00 |