EST   CST   MST                          EST   CST   MST
  UTC   EDT   CDT   MDT   PDT   PST        UTC   EDT   CDT   MDT   PDT   PST 
 ===== ===== ===== ===== ===== =====      ===== ===== ===== ===== ===== =====
 00:00 20:00 19:00 18:00 17:00 16:00      12:00 08:00 07:00 06:00 05:00 04:00
 01:00 21:00 20:00 19:00 18:00 17:00      13:00 09:00 08:00 07:00 06:00 05:00
 02:00 22:00 21:00 20:00 19:00 18:00      14:00 10:00 09:00 08:00 07:00 06:00
 03:00 23:00 22:00 21:00 20:00 19:00      15:00 11:00 10:00 09:00 08:00 07:00
 04:00 00:00 23:00 22:00 21:00 20:00      16:00 12:00 11:00 10:00 09:00 08:00
 05:00 01:00 00:00 23:00 22:00 21:00      17:00 13:00 12:00 11:00 10:00 09:00
 06:00 02:00 01:00 00:00 23:00 22:00      18:00 14:00 13:00 12:00 11:00 10:00
 07:00 03:00 02:00 01:00 00:00 23:00      19:00 15:00 14:00 13:00 12:00 11:00
 08:00 04:00 03:00 02:00 01:00 00:00      20:00 16:00 15:00 14:00 13:00 12:00
 09:00 05:00 04:00 03:00 02:00 01:00      21:00 17:00 16:00 15:00 14:00 13:00
 10:00 06:00 05:00 04:00 03:00 02:00      22:00 18:00 17:00 16:00 15:00 14:00
 11:00 07:00 06:00 05:00 04:00 03:00      23:00 19:00 18:00 17:00 16:00 15:00
 12:00 08:00 07:00 06:00 05:00 04:00      24:00 20:00 19:00 18:00 17:00 16:00