Mash on at 9.45 11.47 Boil and hops in 12.17 next hops 12.32 12.42 final hops
Based on boiling 24.60 gallonsliters at 1.052 for 60 minutes, this will decrease your wort by 5.00 gallonsliters, bringing your after boil OG to 1.063. You wanted an OG of 1.064. It looks like it will be under.