module Chronic

def self.construct(year, month = 1, day = 1, hour = 0, minute = 0, second = 0, offset = nil)
  if second >= 60
    minute += second / 60
    second = second % 60
  end
  if minute >= 60
    hour += minute / 60
    minute = minute % 60
  end
  if hour >= 24
    day += hour / 24
    hour = hour % 24
  end
  # determine if there is a day overflow. this is complicated by our crappy calendar
  # system (non-constant number of days per month)
  day <= 56 || raise("day must be no more than 56 (makes month resolution easier)")
  if day > 28 # no month ever has fewer than 28 days, so only do this if necessary
    days_this_month = ::Date.leap?(year) ? Date::MONTH_DAYS_LEAP[month] : Date::MONTH_DAYS[month]
    if day > days_this_month
      month += day / days_this_month
      day = day % days_this_month
    end
  end
  if month > 12
    if month % 12 == 0
      year += (month - 12) / 12
      month = 12
    else
      year += month / 12
      month = month % 12
    end
  end
  offset = Time::normalize_offset(offset) if Chronic.time_class.is_a?(DateTime)
  Chronic.time_class.new(year, month, day, hour, minute, second, offset)
end