ier">time_duration_type</span> <a name="id-1_3_12_15_6_3_1_1_1_10_9-bb"></a><span class="identifier">dst_offset</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Adjustment forward or back made while DST is in effect. </li>
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<pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">string_type</span> <a name="id-1_3_12_15_6_3_1_1_1_10_10-bb"></a><span class="identifier">