As Einstein said: everything is relative (did he really say that?)
Breakfast: 0-3 Hours after getting up
2nd Breakfast (for hobbits only): 1,5-4,5 Hours after getting up
Brunch: 3-6 Hours after getting up
Lunch: 6-9 Hours after getting up
Tea:9-12 Hours after getting up
Dinner: 12-15 Hours after getting up
And how do they plan to do this? even if they add (GPS) tracking hardware the Chinese will just cut the connection to the Antenna and the GPU is gone. If they do it in software (like driver) it will just be patched out.