>>Hi,
>>
>>When I Set Hours to 12, datetime() is returning a time as if I had set hours to 24. How can I be sure to get a 12 hours notation?
>>
>>Regards,
>>
>>Koen
>
>
>Set Hours is scoped to the current datasession - works well over here

Does not work from the command window:

SET HOURS TO 12
?DATETIME()
SET HOURS TO 24
?DATETIME()
dt = DATETIME() + 3600 *10
?dt
SET HOURS TO 12
?dt