What is the best time to check your blood sugar if you only have to test once a day?

Blood sugar: What you want to know is how your blood sugars fluctuate throughout the day- there's still an idea that only the morning blood sugar is important. It may be normal but two hours after eating you might have a 300 blood sugar , this you want to know. Throughout the week you might test in the morning on monday , 10 o'clock on tuesday , 2 o'clock on wednesday and 8 o'clock in the evening on thursday.