It is twenty to ten or quarter to ten?

Hello everyone. I am just trying to display time in sentence. But I couldn’t get it.
I add new element as a text and code expression like

$ #Dm# == 30 ? “Half” : $ #Dm# == 15 ? “Quarter” : $ #Dm# == 45 ? “Quarter” : $ #Dm# == 0 ? #DhT# : $ #Dm# < 30 ? #DmT# : (60-#Dm#) $ $ $ $ $
It appears nothing.

Or

$ #Dm# < 30 ? “past” : “to” $

I think I missed something. If you’d give me some advice I will be happy.

Thanks,