dinner time 
noun
The time at which dinner is customarily eaten, either around midday or in the evening: I’ll be back at dinner time...
- By dinner time this evening all the books were packed, along with small framed pictures and a few small pots and vases.
- When dinner time rolled around on Saturday evening, I was still puzzled as to where I could take him.
- At dinner time, the trot along the corridor to the central bar and restaurant is a fair one, especially if you're in one of the coupes at the end.