original meaning of a deck of playing cards:
52 cards for 52 weeks in the year.
2 colors for day and night
4 suits for the 4 seasons and 13 weeks per season.
Twelve court cards representing the 12 months.
If we add each of the cards (ace + ace + ace + ace + two + two + three + seven + eight ... and etc) of the game we will get 364.
The card game is an agricultural calendar that told us about the weeks and the seasons.
With each new season, it was King's week, followed by Queen's week, Jack's and so on until AS week changed seasons and we started over with a new color.
Jokers were used in leap years.
And you, did you know it?

There was only 16 squadrons of RAF fighters that used 100 octane during the BoB.
The Fw190A could not fly with the outer cannon removed.
There was no Fw190A-8s flying with the JGs in 1945.