October 25th of the lunar calendar is the date of the solar calendar.

October 25th of the lunar calendar in 2020 is 65438+February 9th of the solar calendar in 2020; Wednesday;

The calendar will display the date of the day in big letters and predict solar terms, luck and other conditions of the day. The month, day, branch, festival and other contents are written on it in advance, and the bottom is left blank for notes, similar to the "desk calendar". At that time, the eunuch who served the emperor wrote down the words and deeds of the emperor in the blank space of the calendar. At the end of the month, after being verified by the emperor, it was sent to the historian for the record. This was called calendars at that time, and these calendars were later used as the basis for historians to write national history.

Extended data:

Beginning of spring is the first year in the official calendar, and the year of return is the year of old age. 12 month is divided by 24 solar terms (i.e. silver moon, Uzuki, Chen Yue, etc. ), and every month contains two solar terms, and there is no leap month. The dry calendar is related to the periodic movement of the earth around the sun, which can reflect the climate change throughout the year.

Since ancient times, the Ganzhi calendar has been widely known by China officials and people, and has been used in astronomy, geomantic omen, numerology, choice and traditional Chinese medicine, and recorded in the official almanac of past dynasties (i.e. the Yellow Calendar). Take Qing Dynasty official history book Qing Shi Lu as an example. Beginning of spring is the demarcation point of the annals of cadres and branches in the book:

For example, Zhonghua Book Company photocopied Volume 17 of Qing Shi Lu and Volume 9,573 of Ganlong Shi Lu, beginning of spring, 20071February 22 (Geng Xu), and the record was recorded as: "Geng Xu. This is the beginning of last spring. " See also the ninety-fifth chapter of A Dream of Red Mansions in Qing Dynasty: "beginning of spring on December 18th of Jiayin year is December 19th of silver moon year". It is clearly pointed out here that the transition point of the dry calendar is in the year.