Why are there 54 cards in a deck?
Playing cards is a cards game, a standard deck of 54 cards contain 4 suit, clubs (♣), diamonds (♦), hearts (♥), spades (♠)., and 2 jokers.
About its creation, which has many beautiful and melodious legends.
According to legend, poker was created by the Chinese. In Song Dynasty, there was a kind of card play called "leaf play" or "leaf cards", 8 cm length, 2.5 cm width, framed in silk and paper, was printed in woodcut. Later, foreign businessmen brought the card to Europe.
On the basis of "leaf play" cards in our country, the astute Venetian merchant made a unique connection between the card play and the calendar. According to the rules of the calendar, he created a new type of cards play.
Since there are 52 weeks in a year, 52 cards are made and 54 cards are added. According to spring, summer, autumn, winter four seasons made of hearts, diamonds, clubs, spades four kinds of pictures. According to a day of right and wrong, poker 4 patterns are divided into black and red. There are 13 cards for each season, representing 13 weeks per season. 12 cards for each year are divided into 12 months. The red joker stands for the sun, which means the day, so it is red; the black joker stands for the moon, implies the coming of night, so it is black. Suppose "J" is taken as 11, "Q" as 12, "K" as 13, "black joker" as 1, then the sum of 53 cards is exactly 365, representing 365 days a year. If you add the "red joker" as 1 too, it's the number of days in a leap year.