On 2019/03/08 12:45, Andy Sayer wrote:
https://docs.oracle.com/cd/E11882_01/server.112/e10729/ch4datetime.htm#NLSPG004
"If you specify a date value without a time component, then the default time
is midnight. If you specify a date value without a date, then the default
date is the first day of the current month."
It's documented in the globalisation guide at least
I only managed to find it because I added "current month" to my google!