! Currently BST (British Summer Time) is observed in the United Kingdom and IST (Irish Summer Time) is observed in Ireland in place of GMT.
| GMT | Tabriz time |
|---|---|
| 12 AM | 3:30 AM |
| 1 AM | 4:30 AM |
| 2 AM | 5:30 AM |
| 3 AM | 6:30 AM |
| 4 AM | 7:30 AM |
| 5 AM | 8:30 AM |
| 6 AM | 9:30 AM |
| 7 AM | 10:30 AM |
| 8 AM | 11:30 AM |
| 9 AM | 12:30 PM |
| 10 AM | 1:30 PM |
| 11 AM | 2:30 PM |
| 12 PM | 3:30 PM |
| 1 PM | 4:30 PM |
| 2 PM | 5:30 PM |
| 3 PM | 6:30 PM |
| 4 PM | 7:30 PM |
| 5 PM | 8:30 PM |
| 6 PM | 9:30 PM |
| 7 PM | 10:30 PM |
| 8 PM | 11:30 PM |
| 9 PM | 12:30 AM next day |
| 10 PM | 1:30 AM next day |
| 11 PM | 2:30 AM next day |