📄 m24 - reading date and time values - 29 of 31.mht
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Date: Tue, 9 Mar 2004 11:47:09 +0800
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<H2><STRONG><A name=3DText>Text Summary</A></STRONG> </H2>
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concept was presented, select a=20
link.</EM></P></TD></TR></TBODY></TABLE><BR><!-- InstanceBeginEditable =
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<P align=3Dcenter>
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<TD><STRONG>How SAS Stores Date and Time Values</STRONG><BR>SAS =
stores=20
date values as numeric <A=20
onmouseover=3D"window.status=3D'Display information on SAS date =
values.'; "=20
onclick=3DsuggestBack() onmouseout=3D"window.status=3D''"=20
href=3D"http://www.sas.com/apps/OLTRN/59080/m24/m24_2.htm">SAS =
date=20
values</A>, which are the number of days from January 1, 1960. <A=20
onmouseover=3D"window.status=3D'Display information on How SAS =
stores time values.'; "=20
onclick=3DsuggestBack() onmouseout=3D"window.status=3D''"=20
href=3D"http://www.sas.com/apps/OLTRN/59080/m24/m24_4.htm">SAS =
time=20
values</A> are the number of seconds since=20
midnight.</TD></TR></TBODY></TABLE></CENTER>
<P align=3Dcenter>
<CENTER>
<TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"85%" border=3D0>
<TBODY>
<TR>
<TD><STRONG>Reading Dates and Times with Informats</STRONG><BR>Use =
SAS <A=20
onmouseover=3D"window.status=3D'Display information on SAS date =
and time informats.';"=20
onclick=3DsuggestBack() onmouseout=3D"window.status=3D''"=20
=
href=3D"http://www.sas.com/apps/OLTRN/59080/m24/m24_7.htm">informats</A> =
to=20
read date and time expressions and convert them to SAS date and =
time=20
values.=20
<UL>
<LI><A=20
onmouseover=3D"window.status=3D'Display information on the =
MMDDYYw. informat.';"=20
onclick=3DsuggestBack() onmouseout=3D"window.status=3D''"=20
=
href=3D"http://www.sas.com/apps/OLTRN/59080/m24/m24_8.htm">MMDDYY<EM>w</E=
M>.</A>=20
reads dates such as 053090, 05/30/90, or 05 30 1990.=20
<LI><A=20
onmouseover=3D"window.status=3D'Display information ono the =
DATEw. informat.';"=20
onclick=3DsuggestBack() onmouseout=3D"window.status=3D''"=20
=
href=3D"http://www.sas.com/apps/OLTRN/59080/m24/m24_10.htm">DATE<EM>w</EM=
>.</A>=20
reads dates such as 30May1990, 30May90, or 30-May-1990.=20
<LI><A=20
onmouseover=3D"window.status=3D'Display information on the =
TIMEw. informat.';"=20
onclick=3DsuggestBack() onmouseout=3D"window.status=3D''"=20
=
href=3D"http://www.sas.com/apps/OLTRN/59080/m24/m24_11.htm">TIME<EM>w</EM=
>.</A>=20
reads times such as 17:00, 17:00:01.34, or 2:34.=20
<LI><A=20
onmouseover=3D"window.status=3D'Display information on the =
DATETIMEw. informat.';"=20
onclick=3DsuggestBack() onmouseout=3D"window.status=3D''"=20
=
href=3D"http://www.sas.com/apps/OLTRN/59080/m24/m24_14.htm">DATETIME<EM>w=
</EM>.</A>=20
reads dates and times such as 30May1990:10:03:17.2, 30May90 =
10:03:17.2,=20
or 30May1990/10:03. </LI></UL>Two-digit year values require =
special=20
consideration. When a two-digit year value is read, SAS defaults =
to a year=20
within a 100-year span that is determined by the <A=20
onmouseover=3D"window.status=3D'Display information on resetting =
the YEARCUTOFF option.';"=20
onclick=3DsuggestBack() onmouseout=3D"window.status=3D''"=20
=
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