The best start time for charging 1 hours is 12 The best start time for charging 2 hours is 0 The best start time for charging 3 hours is 23 The best start time for charging 4 hours is 22 The best start time for charging 5 hours is 21 The best start time for charging 6 hours is 22 The best start time for charging 7 hours is 22 The best start time for charging 8 hours is 21 The best start time for charging 9 hours is 21 The best start time for charging 10 hours is 21 The best start time for charging 11 hours is 21 The best start time for charging 12 hours is 20 The best start time for charging 13 hours is 20 The best start time for charging 14 hours is 20 The best start time for charging 15 hours is 20 The best start time for charging 16 hours is 21 The best start time for charging 17 hours is 20 The best start time for charging 18 hours is 19 The best start time for charging 19 hours is 18 The best start time for charging 20 hours is 17 The best start time for charging 21 hours is 16 The best start time for charging 22 hours is 15 The best start time for charging 23 hours is 14