topic Re: Calculate Days between tow dates in SAS Programming

Calculate Days between tow dates

JHE — Fri, 08 Dec 2017 17:47:59 GMT

Two date as:

CLCL_PAID_DT=22NOV2017:00:00:00.000

CLCL_RECD_DT =12NOV2017:00:00:00.000

My code:

INTCK('DAY',t1.CLCL_PAID_DT,t1.CLCL_RECD_DT,'C') AS Age1,

DATDIF(t1.CLCL_PAID_DT,t1.CLCL_RECD_DT,'act/act') AS Age

but both without value. Why

Re: Calculate Days between tow dates

Reeza — Fri, 08 Dec 2017 17:51:31 GMT

I think the interval is DTDAY or DAYDT when dealing with date times?

Re: Calculate Days between tow dates

ballardw — Fri, 08 Dec 2017 18:00:48 GMT

In SAS what you show is a DATETIME, not a DATE. This is a critical difference as dates use numbers of days as the interval and datetimes are numbers of seconds. Due to a number of issues the range of date values that work with the various functions are limited to dates before the year 20,000. Most datetimes, when treated as dates without conversion, vastly exceed that range.

Hence the options of the DTDay, DTMONTH and DTYear functions to address the increments of datetimes instead of dates so the proper conversion is used.

OR explicitly use the DATEPART of a datetime value.

Re: Calculate Days between tow dates

JHE — Fri, 08 Dec 2017 18:29:50 GMT

Thank you,

INTCK('DTDAY',CLCL_RECD_DT,CLCL_PAID_DT)

works.