35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
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def zeller(d: int, m: int, y: int) -> str:
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assert (abs(d) >= 1)
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assert (abs(m) >= 1)
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assert ((0 <= abs(y) <= 99) or (1000 <= abs(y) <= 3000))
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d = abs(d)
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m = abs(m)
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y = abs(y)
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if evaluate_condition(1, 'Gt', d, 31):
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d = ((d % 31) + 1)
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if evaluate_condition(2, 'Gt', m, 12):
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m = ((m % 12) + 1)
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if (evaluate_condition(3, 'Lt', y, 100) and evaluate_condition(4, 'Lt', y, 23)):
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y = (2000 + y)
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if (evaluate_condition(5, 'Lt', y, 100) and evaluate_condition(6, 'GtE', y, 23)):
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y = (1900 + y)
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days = {'0': 'Sunday', '1': 'Monday', '2': 'Tuesday', '3': 'Wednesday', '4': 'Thursday', '5': 'Friday', '6': 'Saturday'}
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if evaluate_condition(7, 'LtE', m, 2):
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y = (y - 1)
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m = (m + 12)
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c = int(str(y)[:2])
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k = int(str(y)[2:])
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t = int(((2.6 * m) - 5.39))
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u = int((c / 4))
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v = int((k / 4))
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x = (d + k)
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z = (((t + u) + v) + x)
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w = (z - (2 * c))
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f = round((w % 7))
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for i in days:
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if evaluate_condition(8, 'Eq', f, int(i)):
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return days[i]
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