-> set /SP/clock datetime= MMDDhhmmYYYY timezone=3_to_4_characters
-> set /SP/clock usentpserver=enabled
-> set /SP/clients/ntp/server/[1|2] address=address
Setting ILOM Clock Properties, Oracle ILOM Administrator's Guide for Configuration and Maintenance, Firmware Release 4.0.x at https://www.oracle.com/goto/ilom/docs