<div dir="ltr"><div><div><div><div><div><div><div><br><br></div>Dear sir/madam<br><br></div>On this website i find the following data:<br><a href="https://www.timeanddate.com/time/zone/uk/london">https://www.timeanddate.com/time/zone/uk/london</a><br><br>2015Sun, 29 Mar, 01:00<a href="https://www.timeanddate.com/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="https://www.timeanddate.com/time/zones/bst" title="British Summer Time">BST</a>+1 hour (DST start)UTC+1h <br>Sun, 25 Oct, 02:00<a href="https://www.timeanddate.com/time/zones/bst" title="British Summer Time">BST</a> → <a href="https://www.timeanddate.com/time/zones/gmt" title="Greenwich Mean Time">GMT</a><a href="https://www.timeanddate.com/news/time/europe-dst-end-2015.html" title="DST in Europe Ends Sunday, Oct 25">-1 hour (DST end)</a>UTC<br>2016 Sun, 27 Mar, 01:00<a href="https://www.timeanddate.com/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="https://www.timeanddate.com/time/zones/bst" title="British Summer Time">BST</a><a href="https://www.timeanddate.com/news/time/europe-starts-dst-2016.html" title="DST Starts in Europe Sunday, March 27, 2016">+1 hour (DST start)</a>UTC+1h <br>Sun, 30 Oct, 02:00<a href="https://www.timeanddate.com/time/zones/bst" title="British Summer Time">BST</a> → <a href="https://www.timeanddate.com/time/zones/gmt" title="Greenwich Mean Time">GMT</a><a href="https://www.timeanddate.com/news/time/eu-debate-dst.html" title="The European Union Debates DST">-1 hour (DST end)</a>UTC<br>2017 Sun, 26 Mar, 01:00<a href="https://www.timeanddate.com/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="https://www.timeanddate.com/time/zones/bst" title="British Summer Time">BST</a>+1 hour (DST start)UTC+1h <br>Sun, 29 Oct, 02:00<a href="https://www.timeanddate.com/time/zones/bst" title="British Summer Time">BST</a> → <a href="https://www.timeanddate.com/time/zones/gmt" title="Greenwich Mean Time">GMT</a>-1 hour (DST end)UTC<br>2018 Sun, 25 Mar, 01:00<a href="https://www.timeanddate.com/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="https://www.timeanddate.com/time/zones/bst" title="British Summer Time">BST</a>+1 hour (DST start)UTC+1h <br>Sun, 28 Oct, 02:00<a href="https://www.timeanddate.com/time/zones/bst" title="British Summer Time">BST</a> → <a href="https://www.timeanddate.com/time/zones/gmt" title="Greenwich Mean Time">GMT</a>-1 hour (DST end)UTC<br>2019 Sun, 31 Mar, 01:00<a href="https://www.timeanddate.com/time/zones/gmt" title="Greenwich Mean Time">GMT</a> → <a href="https://www.timeanddate.com/time/zones/bst" title="British Summer Time">BST</a>+1 hour (DST start)UTC+1h <br>Sun, 27 Oct, 02:00<a href="https://www.timeanddate.com/time/zones/bst" title="British Summer Time">BST</a> → <a href="https://www.timeanddate.com/time/zones/gmt" title="Greenwich Mean Time">GMT</a>-1 hour (DST end)UTC<br><br></div>As you can see, the Europe/London time change rule is different every year .<br></div>But i can not find this information on yor data distribution.<br><a href="https://www.iana.org/time-zones">https://www.iana.org/time-zones</a><br><br></div>For europe, london you give:<br># Zone    NAME        GMTOFF    RULES    FORMAT    [UNTIL]<br>Zone    Europe/London    -0:01:15 -    LMT    1847 Dec  1  0:00s<br>             0:00    GB-Eire    %s    1968 Oct 27<br>             1:00    -    BST    1971 Oct 31  2:00u<br>             0:00    GB-Eire    %s    1996<br>             0:00    EU    GMT/BST<br><br></div>Maybe i do not understand how to use your data?<br><br></div>I put the question on stackoverflow:<br><a href="http://stackoverflow.com/questions/40360032/iana-internet-assigned-numbers-authority-data-files-and-data-from-www-timeandd">http://stackoverflow.com/questions/40360032/iana-internet-assigned-numbers-authority-data-files-and-data-from-www-timeandd</a><br><div><div><div><div><div><br><div>regards,<br></div><div>-- <br><div><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><font color="#000080"><font size="3"><font face="Times New Roman, serif"><span style="color:rgb(11,83,148)"><i><span style="font-family:georgia,serif"><font size="2"><font color="#000080"><font face="Times New Roman, serif">Gintare Statkute<br></font></font></font></span></i></span></font></font></font></div><div dir="ltr"><font color="#000080"><font size="3"><font face="Times New Roman, serif"><br></font></font></font><br><br>
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