timezones

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Across
  1. 3. time which is advanced by one hour
  2. 7. the action of departing from an established course
  3. 8. every hour constantly
  4. 9. to divide something into two equal parts
  5. 10. mean solar time at the Greenwich prime meridian
Down
  1. 1. without interval of time
  2. 2. clock that uses solar radiation to determine the time
  3. 4. inserted second to equate world time with GMT
  4. 5. random choice
  5. 6. big clock at town-hall