timezones

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