! 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 (6 hours ahead of MDT) | 3:04 AM Sunday, October 01 Offset: UTC/GMT |
| MDT - Mountain Daylight Time (6 hours behind GMT / UTC) | 9:04 PM Saturday, September 30 Offset: UTC-6 |