SAS_dates - SASDates Last Updated 29 June 2004...

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SAS Dates Last Updated : 29 June, 2004 Center of Excellence Data Warehousing
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Dates  Three types of Date Formats commonly used Calendar Date Julian Date SAS Date  Value for a SAS date is the number of days difference from the  date of 1st January 1960. Dates after 01/01/1960 are positive values while any prior dates  are stored as negative integers.         Date Internal SAS value 25th March 1959 -282 31st December 1959 -1 1st January 1960 0 2nd January 1960 1 25th March 1960 84 1st March 2001 15035
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Dates  One format of a date can be displayed as another format easily,  by using pre-set formats. An important thing to note is that although the way the value  prints is different, the internal value (the number representing  the date) does not change. Some examples of commonly used formats are given below: Format Used Result Date. 01MAR01 Date9. 01MAR2001 Day. 1 Julday.
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