30 lines
894 B
Python
30 lines
894 B
Python
from datetime import date
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from calendar import isleap
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def weekday(d):
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days = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday",
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"Friday", "Saturday"]
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dooms = [
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[3, 7, 7, 4, 2, 6, 4, 1, 5, 3, 7, 5],
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[4, 1, 7, 4, 2, 6, 4, 1, 5, 3, 7, 5]
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]
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c = d.year // 100
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r = d.year % 100
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s = r // 12
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t = r % 12
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c_anchor = (5 * (c % 4) + 2) % 7
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doomsday = (s + t + (t // 4) + c_anchor) % 7
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anchorday = dooms[isleap(d.year)][d.month - 1]
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weekday = (doomsday + d.day - anchorday + 7) % 7
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return days[weekday]
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dates = [date(*x) for x in
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[(1800, 1, 6), (1875, 3, 29), (1915, 12, 7), (1970, 12, 23),
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(2043, 5, 14), (2077, 2, 12), (2101, 4, 2)]
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]
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for d in dates:
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tense = "was" if d < date.today() else "is" if d == date.today() else "will be"
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print("{} {} a {}".format(d.strftime("%B %d, %Y"), tense, weekday(d)))
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