Six hours and thirty-three minutes. That represents how much less sunlight we experience on October 31 compared with the date that summer officially began. That was when life was green and smiled on us like a benevolent nursemaid. Now she doesnÂ’t care, and has informed us in no uncertain terms by her behaviour that she soon will be leaving, deserting us to winter. If we arenÂ’t prepared then it's too bad; she's leaving anyway.