Three meals a day refers to: three meals a day, namely breakfast, lunch and dinner. But the ancients had two meals a day, and the first meal was called Chao Shi, also called Jie. The ancients marked the time according to the position of the sun in the sky. When the sun went to the southeast corner, it was called Yuzhong. The Chaoshi was just before Yuzhong, and that moment was called Shi hour.

According to this inference, it is approximately equivalent to around nine o'clock in the morning; 3. The second meal is called feeding, also called eating