What did the ancients use to calculate time? How did the ancients measure time?

Calculate time with a sundial. But they are sundials created from the experience of observing celestial phenomena over a long period of time.

The ancients calculated by heart, and now they use computers to calculate.

Sundials or water droplets (more leaky).

Midnight, also known as sub-bai night, midnight: the first hour of the twelve. Chicken crowing, also known as wild chicken:

The second hour of the twelve. Pingdan, also known as dawn, morning, day, etc.: time is the time when night and day alternate.

Sunrise, also known as the beginning of the sun, the dawn, the rising sun, etc.: refers to the time when the sun has just appeared and is rising.

The ancients recorded time in the form of incense, sundials, and omissions. Burning incense originated from the ancient times when monks meditated, and the time for a stick of incense was about an hour. A sundial is a timekeeping instrument that uses shadows to measure time, while omissions measure time by dripping water.

Leakage is also known as leaky pot, which is measured by dripping water. Early leaks usually let water flow out of the holes in the pot, and in the pot there were floating arrows that descended with the surface of the water, and the current time could be seen by the scale indicated by the floating arrows.

In ancient times, people calculated time according to the degree of incense burned, as well as the position of the sun, and at night according to the position of the moon.

The ancients kept track of time by sundials, and at night they kept track of time by watching.

The times of antiquity are as follows:

Midnight:

Also known as midnight and midnight: the first hour of the twelve hours (23 o'clock to 01 o'clock Beijing time).

Ugly time] rooster crow:

Also known as the wild chicken: the second hour of the twelve hours (01:00 to 03:00 Beijing time).

寅時】Pingdan:

Also known as dawn, morning and sun, etc.: the time is the time when night and day alternate (03:00 to 05:00 Beijing time).

Sunrise:

Also known as the beginning of the day, the dawn, the rising sun, etc.: refers to the time when the sun has just appeared and is rising (from 05:00 to 07:00 Beijing time).

Chenshi] Eating time:

Also known as morning food, etc.: the time when the ancients "pilgrimage" was the time to eat breakfast (from 07:00 to 09:00 Beijing time).

巳時】隅中:

Also known as Riyu and so on: close to noon, it is called Yuzhong (09:00 to 11:00 Beijing time).

Noon] Midday:

Also known as day, noon, etc.: (11 a.m. to 13 p.m. Beijing time).

Not time] Riyu:

Also known as the sun falls, the sun falls, etc.: the sun is west for the sun to fall. (1 p.m. to 3 p.m. Beijing time).

Shen Shi] Feeding time:

Also known as the day rough shop, evening eclipse, etc.: (15 to 17 o'clock Beijing time).

Unitary time] daily income:

Also known as sunset, sunset, evening: It means when the sun sets. (From 5 p.m. to 7 p.m. Beijing time).

Dusk:

Also known as sunset, sunrock, morning and evening, etc.: at this time, the sun has set, and the sky will be dark. The sky and the earth are dim, and everything is hazy, so it is called dusk. (7 p.m. to 9 p.m. Beijing time).

Hai Shi] people are determined:

Also known as fixed dusk, etc.: At this time, the night is dark, and people have stopped their activities and are resting and sleeping. People are quiet, that is, people are quiet. (9 p.m. to 11 p.m. Beijing time).

Ancient more (ancient is even more by time):

7 p.m. and 9 p.m. for a watch.

9 p.m. and 11 p.m. for the second watch.

From 11 p.m. to 1 a.m., there are three watches.

From 1 p.m. to 3 p.m., there is a fourth watch.

3 p.m. and 5 p.m. for the fifth watch.

1. Midnight (23 o'clock to 01 o'clock), also known as midnight and midnight: the first hour of the twelve.

2. Ugly time (01 o'clock to 03 o'clock) rooster crow, also known as wild chicken: the second hour of the twelve hours.

3. Yin Shi (03 o'clock to 05 o'clock) Pingdan, also known as dawn, morning, day, etc.: Shi is the time when night and day alternate.

4. Sunrise (05 o'clock to 07 o'clock), also known as the beginning of the sun, dawn, rising sun, etc.: refers to the time when the sun has just appeared and is rising.

5. Chenshi (07 o'clock to 09 o'clock) food time, also known as morning food, etc.: the time when the ancient Chinese people "eat in the morning" is also the time to eat breakfast.

6. When it is (09 o'clock to 11 o'clock), it is also known as Riyu, etc.: it is called Yuzhong when it is close to noon.

7. Noon (11 o'clock to 13 o'clock) in the middle of the day, also known as the day at noon, noon, etc.

8. Before the time (13 o'clock to 15 o'clock) sunset, also known as the sun falls, the sun is sunset, etc.: the sun is westward for the sunset.

9. Shen Shi (15 o'clock to 17 o'clock) feeding time, also known as day shop, evening food, etc.

10. Unitary time (17 o'clock to 19 o'clock) sunset, also known as sunset, sunset, evening: it means when the sun sets.

11. Dusk (19 o'clock to 21 o'clock), also known as sunset, sunset, evening and so on: at this time, the sun has set, and the sky will be dark. The sky and the earth are dim, and everything is hazy, so it is called dusk.

12. At the time of Hai (21 o'clock to 23 o'clock), people are fixed, also known as fixed dusk, also known as fixed dusk, etc.: At this time, the night is dark, and people have stopped their activities and rested and slept. People are quiet, that is, people are quiet.