Pacific         0 |1 |2 |3 |4 |5 |6 |7 |8 |9 |10|11|12                              
Mountain      1 |2 |3 |4 |5 |6 |7 |8 |9 |10|11|12|13                              
Central         2 |3 |4 |5 |6 |7 |8 |9 |10|11|12|13|14                              
Eastern        3 |4 |5 |6 |7 |8 |9 |10|11|12|13|14|15                              
Alaska        22|23|0 |1 |2 |3 |4 |5 |6 |7 |8 |9 |10                              
China          16|17|18|19|20|21|22|23|0 |1 |2 |3 |4