Crown Him with many crowns,
the Lamb upon his throne.
Hark! How the heavenly anthem drowns
all music but its own.
Awake, my soul, and sing of Him
Who died for thee,
and hail Him as thy matchless King
through all eternity.
Crown Him the Lord of life,
Who triumphed over the grave,
and rose victorious in the strife
for those He came to save.
His glories now we sing,
Who died, and rose on high,
Who died eternal life to bring,
and lives that death may die.
Crown Him the Lord of love,
behold His hands and side,
those wounds, yet visible above,
in beauty glorified.
No angel in the sky
can fully bear that sight,
but downward bends His burning eye
at mysteries so bright.
Crown Him the Lord of years,
the Potentate of time,
Creator of the rolling spheres,
ineffably sublime.
all hail, Redeemer, hail!
For Thou has died for me;
Thy praise and glory shall not fail
throughout eternity.
God is Open 
What do you think the author means by “Potentate of Time”?
Chris tdo you have a local church where you teach Open Theology?
It could be a reference to:
1Ti 1:17 To the King of the ages, immortal, invisible, the only God, be honor and glory forever and ever. Amen.
I only teach Sunday School for 2rd-3rd graders, and when it is topical I talk about it.
You don’t think it is about God creating time? Have you considered moving to jr. High level where you could have more impact on their thinking?
It could be about God “creating time”. Potentate is ruler. “Ruler of time”. This could be taken several ways. The Bible also refers to God as “ancient of days”. The Daniel texts might be a reference to the Canaanite title for “El”, “Father of years”, which reminds me a lot of “Potentate of time”.
I would think “Potentate of time” would be a valid title as long as we aren’t importing Greek metaphysical meanings.
2nd-3rd Grade is really the youngest age where kids are mentally tracking what is being taught. You can have a discussion and they can consider ideas. It is a good age group, and fun to teach. I would be open to teaching older kids, but it probably wouldn’t be as fun.
My guess is that that sentence means to portray that God is reigning over time, being outside of time. many people have been influenced by this typically Platonist notion.