| England (London) |
Less 11 hours (26th March onwards Less 10 hours) |
Less 10 hours |
| Guernsey |
Less 11 hours (26th March onwards Less 10 hours) |
Less 10 hours |
| Isle of Man |
Less 11 hours (26th March onwards Less 10 hours) |
Less 10 hours |
| Jersey |
Less 11 hours (26th March onwards Less 10 hours) |
Less 10 hours |
| New Zealand |
Plus 2 hours (19th March onwards Plus 1 hour) |
Plus 2 hours |
| Northern Ireland |
Less 11 hours (26th March onwards Less 10 hours) |
Less 10 hours |
| Scotland |
Less 11 hours (26th March onwards Less 10 hours) |
Less 10 hours |
| St Vincent and The Grenadines |
Less 15 hours |
Less 14 hours |
| United Republic of Tanzania |
Less 8 hours |
Less 7 hours |
| Wales |
Less 11 hours (26th March onwards Less 10 hours) |
Less 10 hours |