Once crossing the border of each time zone, the time difference of one hour is produced.

每越过一区的界限，时间便差一小时。

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Alaska, too, will have the full moon and the solstice occur on these respective dates, but in a time zone one hour later than Hawaii.

还有阿拉斯加，满月和至日也出现在各自不同的时间，只不过时区上比夏威夷晚了一个小时。

youdao

Each zone represents one hour.

每个时区代表一小时。

youdao

He said that, once airborne, pilots would have to leave the restricted zone, which would take about 25 minutes, rendering it pointless for short helicopter flights or one-hour flying lessons.

BBC: Redhill airfield