Poker 54, two size King is the sun and the moon, the remaining 52 are 52 weeks throughout the year. Spades, Hearts, clubs, squares? Represents spring, summer, autumn, winter Four seasons. 13 per season, representing a quarter of 13 weeks. Each pattern 13 points (1-13) add up is 91 points, and each quarter is 91 days, add the Four seasons, plus Xiao Wang is 365 days, is a normal number of days, and then add the King is 366, the table leap year.
In addition, full licensing only two colors, Red Watch day, Black Watch night.