只今 is read as しこん (shikon) and means just now.
しこん
shikon
ただ
free of charge
そっこん
at the moment
さっこん
nowadays
いま
another
ここん
ancient and modern times
とうこん
げんこん
the present (day or age)
じこん
from now on
ほうこん
present time
もっこん
at present
とうざいここん
all times and places
なかいま
the present (esp. as a privileged moment in eternity)