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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>tm</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-chrono.html">chrono</a>&lrm; | <a href="cpp-chrono-c.html">c</a></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-ctime.html">&lt;ctime&gt;</a></code></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">struct</span> tm<span class="sy4">;</span></span></div>
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<p>&#20445;&#26377;&#25286;&#20998;&#21040;&#32452;&#20998;&#30340;&#26085;&#21382;&#26085;&#26399;&#21644;&#26102;&#38388;&#30340;&#32467;&#26500;&#20307;&#12290;</p>
<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E5.AF.B9.E8.B1.A1">&#25104;&#21592;&#23545;&#35937;</span></h3>
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<div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_sec</span></span></div>
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<td>&#20998;&#21518;&#20043;&#31186; &ndash; <span class="t-rev-inl t-until-cxx11"><span>[0, 61]</span> <span><span class="t-mark-rev t-until-cxx11">(C++11 &#21069;)</span></span></span><span class="t-rev-inl t-since-cxx11"><span>[0, 60]</span> <span><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></span></span><sup id="cite_ref-leapsecond_1-0" class="reference"><a href="cpp-chrono-c-tm.html#cite_note-leapsecond-1">[&#27880; 1]</a></sup><br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#23545;&#35937;)</span></td>
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<div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_min</span></span></div>
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<td>&#26102;&#21518;&#20043;&#20998; &ndash; [0, 59]<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#23545;&#35937;)</span></td>
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<div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_hour</span></span></div>
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<td>&#33258;&#21320;&#22812;&#36215;&#20043;&#26102; &ndash; [0, 23]<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#23545;&#35937;)</span></td>
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<div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_mday</span></span></div>
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<td>&#26376;&#20043;&#26085; &ndash; [1, 31]<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#23545;&#35937;)</span></td>
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<div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_mon</span></span></div>
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<td>&#33258;&#19968;&#26376;&#36215;&#20043;&#26376; &ndash; [0, 11]<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#23545;&#35937;)</span></td>
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<div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_year</span></span></div>
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<td>&#33258; 1900 &#36215;&#20043;&#24180;<br />
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<div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_wday</span></span></div>
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<td>&#33258;&#26143;&#26399;&#26085;&#36215;&#20043;&#26085; &ndash; [0, 6]<br />
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<div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_yday</span></span></div>
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<td>&#33258;&#19968;&#26376; 1 &#26085;&#36215;&#20043;&#26085; &ndash; [0, 365]<br />
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<div><span class="t-lines"><span><span class="t-dsc-small">int</span> tm_isdst</span></span></div>
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<td>&#22799;&#20196;&#26102;&#26631;&#24535;&#12290;&#20540;&#33509;&#22799;&#20196;&#26102;&#26377;&#25928;&#21017;&#20026;&#27491;&#65292;&#33509;&#26080;&#25928;&#21017;&#20026;&#38646;&#65292;&#33509;&#26080;&#21487;&#29992;&#20449;&#24687;&#21017;&#20026;&#36127;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#23545;&#35937;)</span></td>
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<h6><span class="mw-headline" id=".E6.B3.A8.E6.84.8F">&#27880;&#24847;</span></h6>
<p>&#26631;&#20934;&#21482;&#24378;&#21046;&#21069;&#36848;&#25104;&#21592;&#25353;&#20219;&#19968;&#39034;&#24207;&#23384;&#22312;&#12290;&#23454;&#29616;&#36890;&#24120;&#23545;&#27492;&#32467;&#26500;&#20307;&#28155;&#21152;&#39069;&#22806;&#30340;&#25968;&#25454;&#25104;&#21592;&#12290;</p>
<ol class="references">
<li id="cite_note-leapsecond-1"><span class="mw-cite-backlink"><a href="cpp-chrono-c-tm.html#cite_ref-leapsecond_1-0">&uarr;</a></span> <span class="reference-text">&#33539;&#22260;&#20801;&#35768;&#27491;&#38384;&#31186;&#12290;&#19981;&#20801;&#35768;&#21516;&#19968;&#20998;&#38047;&#20869;&#30340;&#20108;&#20010;&#38384;&#31186;&#65288; C89 &#20013;&#38169;&#35823;&#22320;&#24341;&#20837;&#33539;&#22260; 0..61 &#65292;&#32780;&#22312; C99 &#20013;&#26356;&#27491;&#65289;</span></li>
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<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
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<p>&#23637;&#31034;&#26085;&#21382;&#26102;&#38388;&#12290;</p>
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<div class="cpp source-cpp">
<pre class="de1"><span class="co2">#include &lt;ctime&gt;</span>
<span class="co2">#include &lt;iostream&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
std<span class="sy4">::</span><span class="me2">tm</span> start<span class="br0">{</span><span class="br0">}</span><span class="sy4">;</span>
start.<span class="me1">tm_mday</span> <span class="sy1">=</span> <span class="nu0">1</span><span class="sy4">;</span>
<a href="cpp-chrono-c-mktime.html"><span class="kw1021">std::<span class="me2">mktime</span></span></a><span class="br0">(</span><span class="sy3">&amp;</span>start<span class="br0">)</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <a href="cpp-chrono-c-asctime.html"><span class="kw1015">std::<span class="me2">asctime</span></span></a><span class="br0">(</span><span class="sy3">&amp;</span>start<span class="br0">)</span>
<span class="sy1">&lt;&lt;</span> <span class="st0">&quot;sizeof(std::tm) = &quot;</span>
<span class="sy1">&lt;&lt;</span> sizeof<span class="br0">(</span>std<span class="sy4">::</span><span class="me2">tm</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
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<p>&#21487;&#33021;&#30340;&#36755;&#20986;&#65306;</p>
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<pre class="de1">Mon Jan 1 00:00:00 1900
sizeof(std::tm) = 56</pre></div>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
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<div><a href="cpp-chrono-c-localtime.html"><span class="t-lines"><span>localtime</span></span></a></div>
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<td>&#36716;&#25442;&#32426;&#20803;&#36215;&#26102;&#38388;&#20026;&#20197;&#26412;&#22320;&#26102;&#38388;&#34920;&#31034;&#30340;&#26085;&#21382;&#26102;&#38388;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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<div><a href="cpp-chrono-c-gmtime.html"><span class="t-lines"><span>gmtime</span></span></a></div>
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<td>&#36716;&#25442;&#32426;&#20803;&#36215;&#26102;&#38388;&#20026;&#20197;&#21327;&#35843;&#19990;&#30028;&#26102;&#34920;&#31034;&#30340;&#26085;&#21382;&#26102;&#38388;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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