59 lines
3.8 KiB
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59 lines
3.8 KiB
HTML
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<TITLE>CLHS: function ENCODE-UNIVERSAL-TIME</TITLE>
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<H1><A REV=MADE HREF="http://www.lispworks.com/"><IMG WIDTH=80 HEIGHT=65 ALT="[LISPWORKS]" SRC="../Graphics/LWSmall.gif" ALIGN=Bottom></A><A REL=TOP HREF="../Front/index.htm"><IMG WIDTH=237 HEIGHT=65 ALT="[Common Lisp HyperSpec (TM)]" SRC="../Graphics/CLHS_Sm.gif" ALIGN=Bottom></A> <A REL=PREV HREF="f_dec_un.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Previous]" SRC="../Graphics/Prev.gif" ALIGN=Bottom></A><A REL=UP HREF="c_enviro.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Up]" SRC="../Graphics/Up.gif" ALIGN=Bottom></A><A REL=NEXT HREF="f_get_un.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Next]" SRC="../Graphics/Next.gif" ALIGN=Bottom></A></H1>
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<A NAME="encode-universal-time"><I>function</I> <B>ENCODE-UNIVERSAL-TIME</B></A> <P>
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<P><B>Syntax:</B><P>
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<P>
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<B>encode-universal-time</B> <I>second minute hour date month year <TT>&optional</TT> time-zone</I><P> => <I>universal-time</I><P>
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<P>
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<P><B>Arguments and Values:</B><P>
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<P>
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<I>second</I>, <I>minute</I>, <I>hour</I>, <I>date</I>, <I>month</I>, <I>year</I>, <I>time-zone</I>---the corresponding parts of a <A REL=DEFINITION HREF="26_glo_d.htm#decoded_time"><I>decoded time</I></A>. (Note that some of the nine values in a full <A REL=DEFINITION HREF="26_glo_d.htm#decoded_time"><I>decoded time</I></A> are redundant, and so are not used as inputs to this function.) <P>
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<I>universal-time</I>---a <A REL=DEFINITION HREF="26_glo_u.htm#universal_time"><I>universal time</I></A>. <P>
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<P><B>Description:</B><P>
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<P>
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<A REL=DEFINITION HREF="#encode-universal-time"><B>encode-universal-time</B></A> converts a time from Decoded Time format to a <A REL=DEFINITION HREF="26_glo_u.htm#universal_time"><I>universal time</I></A>. <P>
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If <I>time-zone</I> is supplied, no adjustment for daylight savings time is performed. <P>
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<P><B>Examples:</B><P>
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<P>
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<PRE>
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(encode-universal-time 0 0 0 1 1 1900 0) => 0
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(encode-universal-time 0 0 1 4 7 1976 5) => 2414296800
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;; The next example assumes Eastern Daylight Time.
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(encode-universal-time 0 0 1 4 7 1976) => 2414293200
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</PRE>
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</TT> <P>
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<P><B>Affected By:</B> None.
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<P>
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<P><B>Exceptional Situations:</B> None.
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<P>
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<P><B>See Also:</B><P>
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<P>
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<A REL=DEFINITION HREF="f_dec_un.htm#decode-universal-time"><B>decode-universal-time</B></A>, <A REL=DEFINITION HREF="f_get_un.htm#get-decoded-time"><B>get-decoded-time</B></A> <P>
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<P><B>Notes:</B> None.
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