combining sasdate value with sastime value

[Bill]

Once upon a time I knew this ...

I get a record back from Oracle in datetime format.

I use date=datepart(OraValue) to build a sas date value (days since 01Jan1960).
I use time=timepart(OraValue) to build a sas time value (seconds since midnight).

How do I put date & time back together as a sas datetime value?

Thanks,
wd

[data_null__]

[pre]datetime = dhms(date,0,0,time);[/pre]