There are morning, noon, afternoon, zero in the morning, morning, evening and late at night. What does this mean?

1, am-9: 00 am to 1 1: 00 am, but it also refers to the morning in a broad sense. In the world, AM is generally used to read papers, and PM is used to read papers in the afternoon (noon 12 to midnight 1 1: 59).

2. Noon-12: 00 is also called noon, which means 24 hours 12: 00 or 12 hours 12 noon, which is the middle of the day. When the sun is above the meridian.

3. The period from noon-noon 12 to 18, generally refers to the period from noon 12 to sunset. English abbreviation is pm, p.m. or p.m.

4. Early morning-24: 00-06: 00, sometimes called late at night. For example, when the broadcast announces the time at 00: 00, it will be called 12 am. A few people will call 06: 00 a.m. 6: 00 a.m., but no one will call 07: 00 a.m. 7: 00 a.m. because 07: 00 is usually dawn.

5, in the morning-for a period of time, it will be bright until eight or nine o'clock, while in ancient China, a day was divided into twelve hours, and in the modern 24-hour system, the morning time is from 07: 00 to 09: 00. Morning is the beginning of a day, and it is usually considered as a time of vitality.

6. at night-from 6 pm to 5 am the next day, during this time, the sky is usually black (caused by the rotation of the earth). At night, the temperature usually drops gradually. Reach the lowest point at midnight.

7, late at night-from 0 o'clock to a period of time before dawn.