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22 lines
752 B
22 lines
752 B
<sect2 id="calc-dayduration">
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<title>Day Duration module</title>
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<indexterm><primary>Tools</primary>
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<secondary>Astrocalculator</secondary>
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<tertiary>Day Duration module</tertiary>
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</indexterm>
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<screenshot>
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<screeninfo>The Day Duration calculator module </screeninfo>
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<mediaobject>
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<imageobject>
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<imagedata fileref="calc-daylength.png" format="PNG"/>
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</imageobject>
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<textobject>
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<phrase>Day Duration</phrase>
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</textobject>
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</mediaobject>
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</screenshot>
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<para>This module computes the length of day as well as sunrise, sun-transit (noon), and sunset times for any calendar date, for any location on Earth. First fill in the desired geographic coordinates and date, then press the <guibutton>Compute</guibutton> button. </para>
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</sect2>
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