this program does zeller's congruence - which takes in a year month day and returns the day of the week (where 1=sunday)data:image/png;base64,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this program does zeller's congruence - which takes in a year month day and returns the day of the week (where 1=sunday)

cfloor100year100floor42floor4floor1315171data:image/png;base64,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