Father's Day

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Across
  1. 3. 86400 seconds
  2. 5. Small green insect makes recognisable sound
  3. 8. Not mum's choice!
  4. 9. Home-improvement generally takes all day :)
Down
  1. 1. Founding ...
  2. 2. Summer Event means not much work will get done
  3. 4. Office, etc.
  4. 5. Haircut recently coming back into fashion
  5. 6. Induced by increased levels of Serotonin
  6. 7. Hospital, Life of ..