! 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 - Greenwich Mean Time (3 hours, 30 minutes behind IRST) | 2:25 AM Wednesday, September 27 Offset: UTC/GMT |
| IRST - Iran Standard Time (3 hours, 30 minutes ahead of GMT / UTC) | 5:55 AM Wednesday, September 27 Offset: UTC+3:30 |