Time zone details, current UTC offset, countries and major cities.
United Kingdom
| City | Country | Region | Population |
|---|---|---|---|
| London | United Kingdom | London, City of | 11,262,000 |
| Birmingham | United Kingdom | Birmingham | 2,590,363 |
| Portsmouth | United Kingdom | Portsmouth | 855,679 |
| Southampton | United Kingdom | Southampton | 855,569 |
| Bristol | United Kingdom | Bristol, City of | 707,412 |
| Glasgow | United Kingdom | Glasgow City | 626,410 |
| Manchester | United Kingdom | Manchester | 547,627 |
| Leeds | United Kingdom | Leeds | 536,280 |
| Sheffield | United Kingdom | Sheffield | 518,090 |
| Liverpool | United Kingdom | Liverpool | 513,441 |
| Edinburgh | United Kingdom | Edinburgh, City of | 488,050 |
| Worthing | United Kingdom | West Sussex | 474,485 |
| Leicester | United Kingdom | Leicester | 464,395 |
| Barnet | United Kingdom | Barnet | 402,167 |
| Newham | United Kingdom | Newham | 374,523 |
| Coventry | United Kingdom | Coventry | 362,690 |
| Caerdydd | United Kingdom | Cardiff | 361,469 |
| Brent | United Kingdom | Brent | 351,017 |
| Belfast | United Kingdom | Belfast | 345,006 |
| Reading | United Kingdom | Reading | 337,108 |
| Tower Hamlets | United Kingdom | Tower Hamlets | 331,886 |
| Hillingdon | United Kingdom | Hillingdon | 321,134 |
| Redbridge | United Kingdom | Redbridge | 319,423 |
| Southwark | United Kingdom | Southwark | 314,786 |
| Kingston upon Hull | United Kingdom | Kingston upon Hull, City of | 314,018 |
| Lewisham | United Kingdom | Lewisham | 301,255 |
| Newcastle | United Kingdom | Newcastle upon Tyne | 300,196 |
| Greenwich | United Kingdom | Greenwich | 296,206 |
| Stockport | United Kingdom | Stockport | 294,773 |
| Bradford | United Kingdom | Bradford | 293,277 |
| Nottingham | United Kingdom | Nottingham | 289,301 |
| Bolton | United Kingdom | Bolton | 285,372 |
| Waltham Forest | United Kingdom | Waltham Forest | 279,737 |
| Sunderland | United Kingdom | Sunderland | 277,417 |
| Havering | United Kingdom | Havering | 273,090 |
| Plymouth | United Kingdom | Plymouth | 267,918 |
| Milton Keynes | United Kingdom | Milton Keynes | 264,349 |
| Haringey | United Kingdom | Haringey | 263,850 |
| Harringay | United Kingdom | Haringey | 263,850 |
| Bexley | United Kingdom | Bexley | 256,434 |
| Derby | United Kingdom | Derby | 255,394 |
| Westminster | United Kingdom | Westminster | 255,324 |
| Wolverhampton | United Kingdom | Wolverhampton | 250,970 |
| Abertawe | United Kingdom | Swansea | 246,700 |
| Barnsley | United Kingdom | Barnsley | 245,199 |
| Stoke-on-Trent | United Kingdom | Stoke-on-Trent | 245,000 |
| Barking and Dagenham | United Kingdom | Barking and Dagenham | 229,427 |
| Swindon | United Kingdom | Swindon | 222,193 |
| Merton | United Kingdom | Merton | 218,539 |
| Camden | United Kingdom | Camden | 213,801 |
| Norwich | United Kingdom | Norfolk | 213,166 |
| Luton | United Kingdom | Luton | 213,052 |
| Solihull | United Kingdom | Solihull | 206,674 |
| Islington | United Kingdom | Islington | 206,125 |
| Aberdeen | United Kingdom | Aberdeen City | 200,680 |
| Peterborough | United Kingdom | Peterborough | 194,000 |
| Richmond upon Thames | United Kingdom | Richmond upon Thames | 193,231 |
| Croydon | United Kingdom | Croydon | 192,064 |
| Hammersmith and Fulham | United Kingdom | Hammersmith and Fulham | 188,687 |
| Bournemouth | United Kingdom | Bournemouth, Christchurch and Poole | 187,503 |
| Basildon | United Kingdom | Essex | 185,900 |
| Saint Helens | United Kingdom | St. Helens | 183,248 |
| Ilford | United Kingdom | Redbridge | 168,168 |
| Warrington | United Kingdom | Warrington | 165,456 |
| Huddersfield | United Kingdom | Kirklees | 162,949 |
| Southend | United Kingdom | Southend-on-Sea | 160,257 |
| Newport | United Kingdom | Newport | 159,600 |
| Enfield | United Kingdom | Enfield | 156,858 |
| Ipswich | United Kingdom | Suffolk | 151,562 |
| Harrow | United Kingdom | Harrow | 149,246 |
| Dundee | United Kingdom | Dundee City | 148,280 |
| West Bromwich | United Kingdom | Sandwell | 146,386 |
| Gloucester | United Kingdom | Gloucestershire | 145,563 |
| Poole | United Kingdom | Bournemouth, Christchurch and Poole | 144,800 |
| Kensington and Chelsea | United Kingdom | Kensington and Chelsea | 144,518 |
| Telford | United Kingdom | Telford and Wrekin | 142,723 |
| Preston | United Kingdom | Lancashire | 141,801 |
| York | United Kingdom | York | 141,685 |
| Middlesbrough | United Kingdom | Redcar and Cleveland | 140,545 |
| Blackpool | United Kingdom | Blackpool | 139,305 |
| Northampton | United Kingdom | Northamptonshire | 137,467 |
| Brighton | United Kingdom | Brighton and Hove | 134,293 |
| Sale | United Kingdom | Trafford | 134,022 |
| Lincoln | United Kingdom | Lincolnshire | 130,200 |
| Tottenham | United Kingdom | Haringey | 129,237 |
| Exeter | United Kingdom | Devon | 124,180 |
| Cambridge | United Kingdom | Cambridgeshire | 123,867 |
| Romford | United Kingdom | Havering | 122,854 |
| Colchester | United Kingdom | Essex | 121,859 |
| High Wycombe | United Kingdom | Buckinghamshire | 120,256 |
| Gateshead | United Kingdom | Gateshead | 120,046 |
| Slough | United Kingdom | Slough | 119,070 |
| Blackburn | United Kingdom | Blackburn with Darwen | 117,963 |
| Cheltenham | United Kingdom | Gloucestershire | 116,447 |
| Chelmsford | United Kingdom | Essex | 115,369 |
| Rochdale | United Kingdom | Rochdale | 110,194 |
| Wythenshawe | United Kingdom | Manchester | 110,000 |
| Birkenhead | United Kingdom | Wirral | 109,848 |
| Doncaster | United Kingdom | Doncaster | 109,805 |
| Rotherham | United Kingdom | Rotherham | 109,691 |