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</div><div id=po1 class=po></div><div id=mpo></div><div id=anw class=alert-notice__wrap></div><div class=main-content-div><script> window.TAD=window.TAD||{};TAD.abtest='a'; </script><header class="bn-header bn-header--timezone"><div class="row socrow"><div id=bc class="fixed"><div id=bct><a target=_top href="/" class=fx>Home</a>   <a target=_top href="/time/" class=fx>Time Zones</a>   <a target=_top href="/time/zone/" class=fx>World</a>   <a target=_top href="/time/zone/uk" class=fx>United Kingdom</a>   London</div></div></div><div class="bn-header__wrap fixed"><div class="headline-banner "><section class=headline-banner__wrap> <script type="text/javascript"> window.placeid="uk\/london";window.mode="zone";mtt=1; </script><img src="//c.tadst.com/gfx/n/fl/48/gb.png" class=headline-banner__flag alt="Flag for United Kingdom" title="Flag for United Kingdom" width=48 height=32> <div class=headline-banner__content><h1 class=headline-banner__title>Time Zone in London, England, United Kingdom in 1947</h1></div></section><section class=headline-banner__extra><form action="/time/zone/" class="bn-header__searchbox picker-city noprint"><input type=search autocomplete=off class=picker-city__input placeholder="Search for city or place…" onfocus="ifc(this,'ci',1,3,{"pre":"/time/zone/"})" name=query /><button type=submit class=picker-city__button title=Search><i class="i-font i-search"></i></button></form></section></div></div><section class=bn-header__extra><nav id=bk-nav><div class=fixed><div class=bk-nav__inner><div class=nav-2__wrap><ul class=nav-2><li class=nav-2__item><a href="/worldclock/uk/london" title="General/main info about London">Time/General</a></li><li class=nav-2__item><a href="/weather/uk/london" title="Current weather and forecast for London">Weather <i class=i-dropdown></i></a><ul class=nav-2__submenu><li class=nav-2__submenu-item><a href="/weather/uk/london" title="Shows a weather overview">Weather Today/Tomorrow </a></li><li class=nav-2__submenu-item><a 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href="/worldclock/fullscreen.html?n=136" id=curclock title="Local time in United Kingdom, England, London"><div class=cityClock id=ctclk></div></a><div><span id=ct class=h1>17:57:16</span> <span id=cta><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></span></div><p><span id=ctdat>Sunday, 24 November 2024</span></p><a href="/worldclock/fullscreen.html?n=136" id=full-clk class=lang-en title="Local time in United Kingdom, England, London">Fullscreen <i class="i-font i-fullscreen"></i></a></div><div class=bk-focus__info><table class="table table--left table--inner-borders-rows"><tbody><tr><th>Current: </th><td><a href="/time/zones/gmt">GMT — Greenwich Mean Time</a></td></tr><tr><th>Next Change: </th><td><a href="/time/zones/bst">BST — British Summer Time</a></td></tr><tr><th>Current Offset: </th><td>No UTC/GMT offset</td></tr><tr><th>Difference: </th><td><a href="#" id=chi>8 hours behind Singapore</a></td></tr></tbody></table></div><div id=bk-map class=bk-focus__map><a href="/time/map/#!cities=136"><img title="Map showing the location of London. Click map to see the location on our worldwide Time Zone Map." src="//c.tadst.com/gfx/citymap/uk-10.png?9" alt="Location of London" width=320 height=160><img id=map-mrk src="//c.tadst.com/gfx/n/icon/icon-map-pin.png" class=fadeInDown style="left:136px;top:107px;position:absolute" alt=Location title="Location of London" width=18 height=34></a></div></section><section class=fixed><div class="row mgb-flexi"><div class="eight columns"><h2 class=mgt0>1947 Time Zones - London</h2><div id=dia-tz class=clearfix><div id=tz-blks class=clearfix><div class='tz-period mtt' title='London observes GMT between 1 Jan 1947 – 16 Mar 1947' style='width:20.698925%' onclick="wl('/time/zones/gmt')"><a href="/time/zones/gmt">GMT<br><span class=smaller>UTC</span></a></div><div class='tz-period mtt tz-period-dst' title='London observes BST between 16 Mar 1947 – 13 Apr 1947' style='width:7.634409%' onclick="wl('/time/zones/bst')"><a href="/time/zones/bst" class=smaller>BST</a></div><div class='tz-period mtt tz-period-dst2' title='London observes BDST between 13 Apr 1947 – 10 Aug 1947' style='width:32.419355%' onclick=""><a href="">BDST<br><span class=smaller>UTC+2h</span></a></div><div class='tz-period mtt tz-period-dst' title='London observes BST between 10 Aug 1947 – 2 Nov 1947' style='width:22.858423%' onclick="wl('/time/zones/bst')"><a href="/time/zones/bst">BST<br><span class=smaller>UTC+1h</span></a></div><div class='tz-period mtt' title='London observes GMT between 2 Nov 1947 – 31 Dec 1947' style='width:16.388889%' onclick="wl('/time/zones/gmt')"><a href="/time/zones/gmt">GMT<br><span class=smaller>UTC</span></a></div></div><div id=tzm-tm class="mgb25 clearfix"><div class="one columns">Jan</div><div class="one columns">Feb</div><div class="one columns">Mar</div><div class="one columns">Apr</div><div class="one columns">May</div><div class="one columns">Jun</div><div class="one columns">Jul</div><div class="one columns">Aug</div><div class="one columns">Sep</div><div class="one columns">Oct</div><div class="one columns">Nov</div><div class="one columns">Dec</div></div><p class=mgt25>The graph above illustrates clock changes in London during 1947.</p><p></p><h2 id=london>London in GMT Time Zone</h2> <p>London uses <a href="/time/zones/gmt">Greenwich Mean Time</a> (GMT) during <a href="/time/standard-time.html">standard time</a> and <a href="/time/zones/bst">British Summer Time</a> (BST) during <a href="/time/dst/">Daylight Saving Time</a> (DST), or summer time. </p> <h2 id=the>The Difference between GMT and UTC</h2> <p>In practice, GMT and UTC share the same time on a clock, which can cause them to be <a href="/time/gmt-utc-time.html">interchanged or confused</a>. However, there is an essential difference between the two: <ul> <li><a href="/time/aboututc.html">UTC is a time standard</a> that forms the base of time zones worldwide and is not used as a time zone in any country. Time zones are defined by their offsets from UTC. Since GMT has a UTC offset of zero, there is no time difference between the two.</li> <li>GMT is a <a href="/time/time-zones.html">time zone</a> used in the UK and other European and African countries.</li> </ul> <p>A source of confusion is that GMT used to be the world's time standard before UTC was introduced. Until 1972, time zones were defined by their offset from GMT based on <a href="/time/local-mean-time.html">mean solar time</a> at the <a href="/geography/prime-meridian-wrong.html">prime meridian</a> in <a href="/time/zone/uk/greenwich-city">Greenwich near London</a>. </p> <h2 id=what>What About BST?</h2> <p>During Daylight Saving Time, clocks in the <a href="/time/zone/uk">United Kingdom</a> are set forward one hour to <a href="/time/zones/bst">British Summer Time</a> (BST). The UK is the only country that observes BST in the summer. Some other countries, such as <a href="/time/zone/ireland">Ireland</a>, observe the same local time, but under a different name.</p> <h2>Time Changes in London Over the Years</h2><p>Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.</p><p class=tb-select><label class=inline>Time zone changes for: </label><select id=tb-zone-select name=start class=inline><option value="2023-2027">Recent/upcoming years</option><option value="2020-2029">2020 — 2029</option><option value="2010-2019">2010 — 2019</option><option value="2000-2009">2000 — 2009</option><option value="1990-1999">1990 — 1999</option><option value="1980-1989">1980 — 1989</option><option value="1970-1979">1970 — 1979</option><option value="1960-1969">1960 — 1969</option><option value="1950-1959">1950 — 1959</option><option value="1925-1949" selected>1925 — 1949</option><option value="1900-1924">1900 — 1924</option><option value="1850-1899">1850 — 1899</option><option value="1800-1849">1800 — 1849</option></select></p><table id=tb-zone class="fw zebra tb-tz tb-hover"><thead><tr><th>Year</th><th>Date & Time</th><th>Abbreviation</th><th>Time Change</th><th>Offset After</th></tr></thead><tbody><tr ><th>1925</th><td>Sun, 19 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 4 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1926</th><td>Sun, 18 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 3 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1927</th><td>Sun, 10 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 2 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1928</th><td>Sun, 22 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 7 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1929</th><td>Sun, 21 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 6 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1930</th><td>Sun, 13 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 5 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1931</th><td>Sun, 19 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 4 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1932</th><td>Sun, 17 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 2 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1933</th><td>Sun, 9 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 8 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1934</th><td>Sun, 22 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 7 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1935</th><td>Sun, 14 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 6 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1936</th><td>Sun, 19 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 4 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1937</th><td>Sun, 18 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 3 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1938</th><td>Sun, 10 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 2 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1939</th><td>Sun, 16 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 19 Nov, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1940</th><td>Sun, 25 Feb, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr class=sep-t ><th>1941</th><td>Sun, 4 May, 02:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <span>BDST</span></td><td>+1 hour (DST increasing)</td><td>UTC+2h</td></tr><tr ><th> </th><td>Sun, 10 Aug, 03:00</td><td><span>BDST</span> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>-1 hour (DST decreasing)</td><td>UTC+1h</td></tr><tr class=sep-t ><th>1942</th><td>Sun, 5 Apr, 02:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <span>BDST</span></td><td>+1 hour (DST increasing)</td><td>UTC+2h</td></tr><tr ><th> </th><td>Sun, 9 Aug, 03:00</td><td><span>BDST</span> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>-1 hour (DST decreasing)</td><td>UTC+1h</td></tr><tr class=sep-t ><th>1943</th><td>Sun, 4 Apr, 02:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <span>BDST</span></td><td>+1 hour (DST increasing)</td><td>UTC+2h</td></tr><tr ><th> </th><td>Sun, 15 Aug, 03:00</td><td><span>BDST</span> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>-1 hour (DST decreasing)</td><td>UTC+1h</td></tr><tr class=sep-t ><th>1944</th><td>Sun, 2 Apr, 02:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <span>BDST</span></td><td>+1 hour (DST increasing)</td><td>UTC+2h</td></tr><tr ><th> </th><td>Sun, 17 Sep, 03:00</td><td><span>BDST</span> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>-1 hour (DST decreasing)</td><td>UTC+1h</td></tr><tr class=sep-t ><th>1945</th><td>Mon, 2 Apr, 02:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <span>BDST</span></td><td>+1 hour (DST increasing)</td><td>UTC+2h</td></tr><tr ><th> </th><td>Sun, 15 Jul, 03:00</td><td><span>BDST</span> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>-1 hour (DST decreasing)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 7 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1946</th><td>Sun, 14 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 6 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1947</th><td>Sun, 16 Mar, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 13 Apr, 02:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <span>BDST</span></td><td>+1 hour (DST increasing)</td><td>UTC+2h</td></tr><tr ><th> </th><td>Sun, 10 Aug, 03:00</td><td><span>BDST</span> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>-1 hour (DST decreasing)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 2 Nov, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1948</th><td>Sun, 14 Mar, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 31 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr><tr class=sep-t ><th>1949</th><td>Sun, 3 Apr, 02:00</td><td><a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="/time/zones/bst" title="British Summer Time">BST</a></td><td>+1 hour (DST start)</td><td>UTC+1h</td></tr><tr ><th> </th><td>Sun, 30 Oct, 03:00</td><td><a href="/time/zones/bst" title="British Summer Time">BST</a> → <a href="/time/zones/gmt" title="Greenwich Mean Time">GMT</a></td><td>-1 hour (DST end)</td><td>UTC</td></tr></tbody><tfoot><tr><td colspan=5>* All times are local London time.</td></tr></tfoot></table><p class=help-link><a href="/time/zone/help">Need some help?</a></p></div></div><div class="four columns"> <h3>More Information</h3><ul><li><a href="/time/dst/">Daylight Saving Time</a></li><li><a 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