Beijing time is based on the observatory in China's capital city, Beijing. The observatory was first established in 1929, and since then it has been one of the most important timekeeping centers in China. Its primary function is to provide the country with accurate time, which is achieved through the use of atomic clocks.
Atomic clocks are considered to be the most accurate type of clock in the world. They are based on the measurement of the vibrations of atoms, which oscillate at a constant frequency. This makes them incredibly precise, and the standardization of atomic clocks is one of the key factors that contribute to the accuracy of Beijing time.
To ensure that Beijing time is as accurate as possible, it is updated on a regular basis. The time is adjusted every few years to account for the Earth's rotation slowing down, which can cause time differences to occur. This adjustment is known as a "leap second," and it is added to Beijing time when necessary.
In addition to its scientific accuracy, Beijing time is also considered to be important for cultural reasons. It has been used as the standard time in China for almost a century and has become deeply ingrained in the country's way of life. Many major events and activities, such as the opening ceremony of the Olympic Games, are scheduled according to Beijing time.
When using Beijing time to calculate one's birth chart, the hour of birth is also an important piece of information. In this case, the hour system used in Chinese astrology is based on the solar day, with each 24-hour period divided into 12 two-hour segments. This means that a person's hour of birth can have a significant impact on their astrological chart and personality.
In conclusion, Beijing time is an incredibly accurate way to tell time and has become an essential part of Chinese culture and astrology. By using atomic clocks and making regular adjustments, it remains one of the most reliable timekeeping systems in the world.