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questions :true solar time
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[Visitor (111.55.*.*)]answers [Chinese ]Time :2023-12-19
The time interval between two consecutive upper-midheaven intervals between the center of the sun's apparent circle is called a true solar day. 1 True solar day is further divided into 24 true solar hours. This time system is called true solar time. Therefore, in order to be consistent with people's daily life Xi, true solar time is defined as: the hour angle of the center of the true sun's apparent circle plus 12 hours. Because true solar time is obtained by observing the center of the apparent circle of the sun, true solar time is also called apparent solar time, referred to as apparent time. That is: true solar time = mean solar time true mean solar time difference.

True solar time is local time

(1) Central Plains time zone: 120 degrees east longitude is the central meridian.

(2) Longshu time zone: 105 degrees east longitude is the central meridian.

(3) New Tibet time zone: 90 degrees east longitude as the central meridian.
(4) Kunlun time zone: 82.5 degrees east longitude as the central meridian.

(5) Changbai time zone: 127.5 degrees east longitude is the central meridian.

For the specific city time difference, please refer to the encyclopedia Beijing time-directory-time difference
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