What folder is vCalendar in the mobile phone?

Vcalenedar software is a mobile phone calendar software.

A calendar is a daily newspaper that records time. The first calendar in China was about 4000 years ago.

According to a page of Oracle bone calendar in Oracle Bone Inscriptions, it is proved that the calendar of Yin Dynasty has reached a considerable level. This page of Oracle Bone Inscriptions is the oldest almanac of all mankind, and this page of Oracle Bone Inscriptions is also called the calendar.

But the real calendar appeared. About 1 100 years ago, during the Yongzhenyuan period in Tang Shunzong, the imperial calendar was already used in the palace. Each page displays a calendar for one day, a monthly calendar for one month and an annual calendar for the whole year.

Other time elements (units) included in the calendar are solar terms, centuries and years.

Calendars come in many forms, such as wall calendars, desk calendars and calendar cards. And then the electronic calendar was developed. Throughout the ancient calendar of China, it contains a lot of contents, including the calculation of new moons, the placement of leap months, solar eclipses and the calculation of planetary positions.

Of course, these contents are gradually enriched into the calendar with the development of astronomy, and it has gone through a long historical stage. If this "quite long historical period" is subdivided, it can be roughly divided into four periods, namely the ancient calendar period.

The calendar adopted by Emperor Wu of the Han Dynasty before the first year of Tai Chu; Sino-French period: from the first year of Han Dynasty to the beginning of Qing Dynasty. During this period, more than 70 people made calendars, all of which were written into the twenty-four histories or laws and regulations. Although many calendars have been reformed, their principles have not changed much.

Chinese and Western legal periods: from Tang Ruowang, a Soviet missionary in the Qing Dynasty to the Revolution of 1911: Gregorian calendar period: After the Revolution of 1911, Dr. Sun Yat-sen announced the adoption of the Gregorian calendar in 19 12, that is, entered the Gregorian calendar period. After the founding of People's Republic of China (PRC), the people of China adopted the Gregorian calendar, and considering the actual needs of people's production and life, they also awarded China the traditional lunar calendar.