topic Why does DATETIME18. format use 2 digit years? in SAS Programming https://communities.sas.com/t5/SAS-Programming/Why-does-DATETIME18-format-use-2-digit-years/m-p/80891#M17420 <HTML><HEAD></HEAD><BODY><P>Anyone know why the DATETIME18. format uses only two digits for the year?</P><P>Unless my math skills have slipped 9 + 1 + 8 = 18 should be enough for DATE9. plus TIME8. with space for a colon between them.</P><P></P><P>Looks like it has done this for a long time as here is an article from 1999 about a problem it caused.&nbsp; </P><P><A href="http://support.sas.com/kb/00/557.html" title="http://support.sas.com/kb/00/557.html">557 - SAS/GIS sample map data sets use DATETIME18. format for DATE variable</A></P></BODY></HTML> Fri, 13 Sep 2013 02:42:06 GMT Tom 2013-09-13T02:42:06Z Why does DATETIME18. format use 2 digit years? https://communities.sas.com/t5/SAS-Programming/Why-does-DATETIME18-format-use-2-digit-years/m-p/80891#M17420 <HTML><HEAD></HEAD><BODY><P>Anyone know why the DATETIME18. format uses only two digits for the year?</P><P>Unless my math skills have slipped 9 + 1 + 8 = 18 should be enough for DATE9. plus TIME8. with space for a colon between them.</P><P></P><P>Looks like it has done this for a long time as here is an article from 1999 about a problem it caused.&nbsp; </P><P><A href="http://support.sas.com/kb/00/557.html" title="http://support.sas.com/kb/00/557.html">557 - SAS/GIS sample map data sets use DATETIME18. format for DATE variable</A></P></BODY></HTML> Fri, 13 Sep 2013 02:42:06 GMT https://communities.sas.com/t5/SAS-Programming/Why-does-DATETIME18-format-use-2-digit-years/m-p/80891#M17420 Tom 2013-09-13T02:42:06Z Re: Why does DATETIME18. format use 2 digit years? https://communities.sas.com/t5/SAS-Programming/Why-does-DATETIME18-format-use-2-digit-years/m-p/80892#M17421 <HTML><HEAD></HEAD><BODY><P>PERCENTN. has the same kind of quirk, it requires two extra spaces for parentheses that it is designed not to write. I guess that is the plight of long term compatibility, once a less than ideal feature is installed, you are more or less stuck with it. <BR /> </P><P>PG</P></BODY></HTML> Fri, 13 Sep 2013 03:00:20 GMT https://communities.sas.com/t5/SAS-Programming/Why-does-DATETIME18-format-use-2-digit-years/m-p/80892#M17421 PGStats 2013-09-13T03:00:20Z