Scripting Guide - SAS

592 JSL Syntax Reference Appendix A
Date and Time Functions
Returns
A string representation of the date.
Argument
date Can be the number of seconds since the base date (midnight, January 1, 1904), or any date-time
operator.
Example
Abbrev Date(29Feb2004)
02/29/2004
See Also
Section on Date-Time formats in the Scripting Guide.
Date Difference(datetime1, datetime2, "interval_name", )
Description
Returns the difference in intervals of two date-time values.
Returns
A number.
Arguments
datetime1, datetime2 Datetime values.
"interval_name" A quoted string that contains a date-time interval, such as "Day" or "Hour".
"alignment" An optional string. Options are as follows:
– start counts the number of times the interval starts.
– actual counts whole intervals.
– fractional counts fractional intervals.
Date DMY(day, month, year)
Description
Constructs a date value from the arguments.
Returns
The specified date, expressed as the number of seconds since midnight, 1 January 1904.
Arguments
day number, day of month, 1-31. Note that there is no error-checking, so you can enter February 31.
month number of month, 1-12.
year number of year.
Date Increment(datetime, interval, , )
Description
Adds 1 or more intervals to a starting datetime value.
Returns
Returns the new datetime value.