CHRON (time)

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Across
  1. 3. occurring over a period of time
  2. 4. someone or something occurring in the 'wrong time'
  3. 6. arranged in the order of time
Down
  1. 1. happening at the same time
  2. 2. a record of events that occurred over time
  3. 5. the sequential time order in which past events occur
  4. 7. time