During the year between the late King's death and cremation, can he have been either reincarnated or achieved nirvana? Or can he only move on after his mortal remains have been cremated?

--Previous Message--
: One year after passing away, His late Majesty,
: King Bhumibol Aduljadey, also known as King
: Rama IX, will be cremated. The Royal
: Cremation Ceremonies will held from 25th to
: 29th October 2018.
:
: The finishing of the large Royal Crematorium
: will be marked today when HM King Maha
: Vajiralongkorn installs the top of the
: nine-spired funeral pyre.
:
:
: Center The Royal Crematorium. In the
: background left Wat Phra Kaeo and right The
: Grand Palace (Bangkok/Thailand)
:
: For all those interested in The Royal
: Cremation Ceremony more information is
: provided here .
: