markuman

local function YearInSec(y)
  -- returns seconds of a year
  if ((y % 400) == 0) or (((y % 4) == 0) and ((y % 100) ~= 0)) then
    return 31622400 -- 366 * 24 * 60 * 60
  else
    return 31536000 -- 365 * 24 * 60 * 60
  end
end