What does the calendar class mean?

Classes on a calendar usually refer to working days.

The word "class" on the calendar means that you need to go to work on this day. It used to be a legal rest day, but because it is linked to a legal holiday, you have to go to work without a holiday. Holidays are both holidays and holidays.

The Lunar New Year in China is a folk culture created by the people of China to meet the needs of production and life. It is an important part of China folk culture. Major holidays include Spring Festival, Labor Day and National Day.

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 has reached a considerable level. This page of Oracle Bone Inscriptions is the oldest calendar of all mankind. It is also called the calendar.

What's the difference between a calendar and a perpetual calendar?

1, time range: A perpetual calendar is a year in which specific solar and lunar dates are recorded within a certain time range (for example, 100 or longer). The perpetual calendar is just a symbol, indicating that the time span is large, while the calendar is generally one year.

2. Scope of use: Calendar is a daily publication used to record dates and other related information. Each page displays the information of one day (called calendar), one month (called monthly calendar) and one year (called annual calendar). However, perpetual calendars generally have various functional information such as good or bad records, holidays, reminders, etc., which are convenient for people in need to inquire and use.