Without the permission of the copyright owner, no unit or individual may copy or distribute it. According to the query China calendar official website display. Article 22 of the Regulations of People's Republic of China (PRC) on Anti-counterfeiting Commodities stipulates that the printing of calendars involves the use of trademarks, and the use of other people's trademarks without the authorization of the author will constitute infringement. A calendar is a monthly calendar or an annual calendar hanging on the wall.