e</span> <a name="id-1_3_12_15_3_30_2_1_3_7_1-bb"></a><span class="identifier">utc_to_local_offset</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_type</span> <span class="special">&amp;</span> t<span class="special">)</span><span class="special">;</span></pre>Calculates the offset from a utc time to local based on dst and utc offset. <p>
The logic is as follows. Starting with UTC time use the offset to create a label for an non-dst adjusted local time. T