When is 8 pm? When? when?

At eight o'clock in the evening, it's three o'clock and a quarter past five.

The ancient ones are calculated by time.

19:00-2 1:00 is a watch, and 2 1:00-23:00 is a watch.

23:00-0 1:00 is the third watch, 0 1:00-03:00 is the fourth watch.

03:00-05:00 is the fifth watch.

In ancient times, a day and night was divided into twelve hours and ninety-six hours, and a moment was about 15 minutes. ("Carve" the notch on the drip bucket at the original specified time. Drop a bucket day and night). "Time" and "time" are actually two sets of timing system units, which are more troublesome to convert. The average hour is eight and a third hours, which is about 14 minutes and 24 seconds.

Extended data

12 hour clock

It was used in the Western Zhou Dynasty. In the Han Dynasty, it was named Midnight, Crow, Pingdan, Sunrise, Food Time, Horn, Japan-China, Sundial, Sunset, Dusk and Man's Decision. It is also expressed by the twelve earthly branches, and it is the child time from 23: 00 to 1 at midnight, the ugly time from 1 to 3: 00, and the Yin Shi time from 3: 00 to 5: 00, which are recursive in turn.

Midnight, also known as midnight and midnight: the first hour of twelve o'clock. (23: 00 to 0 1 hour).

Ugly cock crow, also known as pheasant: the second hour of twelve o'clock. (0 1 to 03: 00).

Yin Shiping Dan, also known as Dawn, Dawn and Sundan, etc. Time is the alternation of day and night. (03 o'clock to 05 o'clock).

Sunrise in Shi Mao, also known as the beginning of the day, dawn and rising sun, refers to the time when the sun just appeared and Ran Ran first rose. (05: 00 to 07: 00)

When eating in the morning, it is also called breakfast. When the ancients ate in the morning, it was breakfast time (07:00 ~ 09:00).

Forty holes, also known as Yu Ri, etc. : near noon, call the corner. (09: 00 to 1 1: 00).

Noon noon, also known as the sun, noon, etc. : (1 1 to 13).

Sunset, also known as sunset, the center of the sun, etc. To the west of the sun is a sundial. (from 13 to 15).

The time of application, also known as day shop, dinner, etc. : (15: 00 to 17: 00).

As time goes by, it is also called sunset, sunset and evening: it means when the sun goes down. (from 17 to 19).

Dusk, also known as sunset, sunset glow, dusk, etc. At this time, the sun has set and the sky will be dark. The world is dark and everything is hazy, so it is called dusk. (from 19 to 2 1).

At this time, it was already late at night, and people stopped their activities and had a rest. Calm means quiet. (2 1 to 23: 00).

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