22 lines
703 B
Lua
22 lines
703 B
Lua
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local t = jarvis.context.time
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-- Compute day-of-week using Zeller's congruence (0=Saturday).
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local y, m, d = t.year, t.month, t.day
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if m < 3 then m = m + 12; y = y - 1 end
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local K = y % 100
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local J = math.floor(y / 100)
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local h = (d + math.floor(13 * (m + 1) / 5) + K + math.floor(K / 4) + math.floor(J / 4) - 2 * J) % 7
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-- h: 0=Saturday, 1=Sunday, 2=Monday, ... 6=Friday
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local days_ru = {
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[0] = "суббота",
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[1] = "воскресенье",
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[2] = "понедельник",
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[3] = "вторник",
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[4] = "среда",
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[5] = "четверг",
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[6] = "пятница",
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}
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return jarvis.cmd.ok("Сегодня " .. (days_ru[h] or "неизвестный день") .. ".")
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