Answer:

timezone

AnswerCrossword Clue
TIMEZONEPacific or Mountain, e.g.
TIMEZONEMountain, e.g.
TIMEZONEOne of The United States' six
TIMEZONEAtlantic or Pacific
TIMEZONEPacific, for one
TIMEZONEChina has only one, surprisingly
TIMEZONEEastern or Central.
TIMEZONENew York's is Eastern
TIMEZONEOne of four between N. Y. and Cal.
TIMEZONEMountain or Pacific
TIMEZONEPacific, e.g.
TIMEZONEAlaska or Hawaii
TIMEZONEChina has only one
TIMEZONEVertical strip on a map
TIMEZONEOne of twenty-four in the world