! 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 (UTC/GMT) | Lille time (UTC+2) |
|---|---|
| 12 AM | 2 AM |
| 1 AM | 3 AM |
| 2 AM | 4 AM |
| 3 AM | 5 AM |
| 4 AM | 6 AM |
| 5 AM | 7 AM |
| 6 AM | 8 AM |
| 7 AM | 9 AM |
| 8 AM | 10 AM |
| 9 AM | 11 AM |
| 10 AM | 12 PM |
| 11 AM | 1 PM |
| 12 PM | 2 PM |
| 1 PM | 3 PM |
| 2 PM | 4 PM |
| 3 PM | 5 PM |
| 4 PM | 6 PM |
| 5 PM | 7 PM |
| 6 PM | 8 PM |
| 7 PM | 9 PM |
| 8 PM | 10 PM |
| 9 PM | 11 PM |
| 10 PM | 12 AM next day |
| 11 PM | 1 AM next day |