How many days from September 22, 2020 to 202 1 5.22?
1. The date information displayed on each page is called a calendar, the month information displayed on each page is called a monthly calendar, and the year information displayed on each page is called an annual calendar. Calendars come in many forms, such as wall calendars, desk calendars, monthly calendar cards, and now there are electronic calendars. China began to have a calendar about 4000 years ago. According to a page of Oracle Bone Inscriptions calendar in Oracle bone inscriptions, it is proved that the calendar of Yin Dynasty is quite level. This page of Oracle Bone Inscriptions calendar is the oldest calendar in the world. This page of Oracle Bone Inscriptions's calendar is also called a calendar. From ancient times to the present, there are three kinds of calendars: calendars and so on. Today refers to books with years, months, days, weeks, solar terms, anniversaries and so on. One book a year, one page a day, one page a day, one page a day. Some are hanging on the wall, others are on the table. Historical books that record the daily affairs of the imperial court are the basis for historians to compile national history. Calendars are usually decorated with images. Calendar is one of the decorative paintings of calendar.
Both calendar and desk calendar are developed from calendars, but this is only a history of nearly a hundred years. As for when the calendar appeared, no one knows, but according to historical records, about 1 100 years ago, in the first year of Yongzheng in Tang Shunzong, the Forbidden City began to use calendars. At that time, the calendar, also known as the imperial calendar, not only recorded dates, but also was an important material for compiling national history. At that time, the calendar divided the year into 12 volumes, determined the number of pages in each volume according to the number of days in each month, recorded the month and date on each page, and then gave it to the eunuch who served the emperor for temporary storage. The eunuch writes the words and deeds of the emperor on a blank page every day, and submits them to the emperor at the end of each month. After approval, they are sent to the historian for filing.
3. Then, historians combine the contents of the calendar with the important events in the imperial court and all parts of China. After refining, it was recorded and became a national history. Later, because the calendar brought many conveniences to life, it gradually entered the families of many senior officials in the dynasty. After some modifications, it was incorporated into its own calendar. In the future, with the popularity of calendars and the development of families, people will print out the main monthly orders, solar terms and auspicious days on calendars, leaving a great gap for recording events.
4. The real calendar was produced about 1 100 years ago. In the first year of Yongzheng in Tang Shunzong, the imperial calendar has been used in the palace. The first day is a page, recording the state, court events and the words and deeds of the emperor. The solar calendar is divided into twelve volumes. The number of pages per volume is the same as the number of days per month. Every page is dated. Nowadays, popular calendars, whether paper publications, mobile phone applications or electronic desk calendars, usually include solar calendars, lunar calendars and dry calendars. The origin calendar of the lunar calendar will display the date of the day in big characters and predict the solar terms and traffic conditions of the day. Write the month, branches, festivals and other contents on it in advance, leaving the bottom blank.