You think God sits there and looks at a clock? How long is a day in Heaven? For their to be time, there has to be location. Heaven is a spiritual dimension, not a physical location.
You can reason to the fact there is no time in Heaven.
Where does Catholic teaching teach this?
Job:38
1 Then the Lord spoke to Job out of the storm. He said:
2 Who is this that obscures my plans
with words without knowledge?
3 Brace yourself like a man;
I will question you,
and you shall answer me.
4 Where were you when I laid the earths foundation?
Tell me, if you understand.
5 Who marked off its dimensions? Surely you know!
Where did Jesus ascend to on Ascension Thursday? Where did He descend to between His Death and Resurrection?