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DATDIF

Category:

Date and Time

Arguments

sdate

specifies a SAS date value that identifies the starting date.

edate

specifies a SAS date value that identifies the ending date.

basis

identifies a character constant or variable that describes how SAS calculates the date difference. The following character strings are valid:

'30/360'

specifies a 30 day month and a 360 day year. Each month is considered to have 30 days, and each year 360 days, regardless of the actual number of days in each month or year.

Alias:	'360'
Tip:	If either date falls at the end of a month, SAS treats the date as if it were the last day of a 30-day month.

'ACT/ACT'

uses the actual number of days between dates.

Alias:

'Actual'

Examples

In the following example, DATDIF returns the actual number of days between two dates, and the number of days based on a 30-month and 360-day year.

data _null;
   sdate='16oct78'd;
   edate='16feb96'd;
   actual=datdif(sdate, edate, 'act/act');
   days360=datdif(sdate, edate, '30/360');
   put actual= days360=;
run;

SAS Statements	Results
put actual=; put days360=;	6332 6240

See Also

Functions: YRDIF

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